Prior art — US Patent 12240457B1

To identify the most relevant prior art for US patent 12240457B1, I will examine the patent citations listed in the patent document. The USPTO provides a Patent Public Search tool for this purpose.

Here's an analysis of the cited prior art, focusing on its publication/filing date, a brief description, and potential anticipation of claims under 35 U.S.C. § 102:

1. US5436833A

Full Citation: US5436833A, "Shift-to-neutral reminder prompt system/method"
Publication Date: 1995-07-25 (Filing Date: 1993-09-07)
Brief Description: This patent describes a system to remind a driver to shift to neutral when the vehicle is stopped and certain conditions are met, such as the parking brake being engaged.
Potential Anticipation (35 U.S.C. § 102): Less likely to anticipate the core claims of US12240457B1, as US5436833A focuses on a neutral-shift reminder rather than automatic gear selection based on steering patterns and driver approval for a mode change between drive and reverse. The claims of US12240457B1 explicitly relate to offering a change between drive and reverse based on steering control and requiring driver approval.

2. US20110080305A1

Full Citation: US20110080305A1, "Vehicle Park Assist System and Method for Parking a Vehicle Using Such System"
Publication Date: 2011-04-07 (Filing Date: 2009-10-07)
Brief Description: This patent application describes a parking assist system that helps a driver park a vehicle. It involves identifying a parking space and guiding the vehicle into it.
Potential Anticipation (35 U.S.C. § 102): While it deals with parking, it focuses on driver assistance during parking, not the automatic suggestion and approval of gear changes (specifically between drive and reverse) based on steering patterns during maneuvers like unparking. Therefore, it's less likely to directly anticipate claims 1 or 12 of US12240457B1.

3. US20130110342A1

Full Citation: US20130110342A1, "Method for pulling a vehicle into or out of a parking space and corresponding assistance system and vehicle"
Publication Date: 2013-05-02 (Filing Date: 2010-05-12)
Brief Description: This patent describes a method and system for assisting a vehicle in pulling into or out of a parking space, implying automated or semi-automated maneuvers.
Potential Anticipation (35 U.S.C. § 102): This reference is more relevant as it concerns both pulling into and out of a parking space, which aligns with the "unparking" scenario described in US12240457B1. However, the key distinguishing feature of US12240457B1 is the offering of a direction change based on steering patterns and non-directional approval by the driver. If US20130110342A1 requires explicit directional input for gear changes during unparking, it may not anticipate claims 1 or 12.

4. US20130144492A1

Full Citation: US20130144492A1, "Parking mode selection apparatus and method"
Publication Date: 2013-06-06 (Filing Date: 2010-06-09)
Brief Description: This patent describes an apparatus and method for selecting a parking mode, potentially involving different types of parking assistance.
Potential Anticipation (35 U.S.C. § 102): This reference focuses on selecting a parking mode, rather than automatically proposing a drive/reverse gear shift based on steering patterns during a maneuver like unparking, and requiring non-directional driver approval. Thus, it's less likely to directly anticipate claims 1 or 12.

5. US9085321B2

Full Citation: US9085321B2, "Unparking control system and unparking control method using the same"
Publication Date: 2015-07-21 (Filing Date: 2013-01-17)
Brief Description: This patent describes an unparking control system and method. It likely involves automating or assisting the process of exiting a parking spot.
Potential Anticipation (35 U.S.C. § 102): This is highly relevant as it explicitly covers "unparking control." The degree of anticipation depends on whether this patent discloses monitoring steering control while driving in a first direction, offering a change from one mode to the other based on steering patterns, and requiring driver approval without operator indication of a direction. If it requires explicit directional input for gear changes during unparking, it may not anticipate claims 1 or 12 of US12240457B1.

6. US20160075329A1

Full Citation: US20160075329A1, "Parking assist system and path determination method"
Publication Date: 2016-03-17 (Filing Date: 2014-09-12)
Brief Description: This patent describes a parking assist system that determines a path for parking a vehicle.
Potential Anticipation (35 U.S.C. § 102): This reference is generally related to parking assistance but primarily focuses on path determination for parking, not necessarily the unparking scenario with automatic gear shift proposals and non-directional approval as claimed in US12240457B1.

7. US9381922B2

Full Citation: US9381922B2, "Detection of parking maneuver in a motor vehicle"
Publication Date: 2016-07-05 (Filing Date: 2014-01-16)
Brief Description: This patent describes methods for detecting a parking maneuver in a motor vehicle.
Potential Anticipation (35 U.S.C. § 102): This patent focuses on detecting a parking maneuver, which is a precursor to a parking assist or unparking system. It doesn't appear to directly disclose the core features of US12240457B1's claims regarding offering a gear change based on steering patterns and requiring non-directional approval.

8. US20200404192A1

Full Citation: US20200404192A1, "Vehicle-mounted device"
Publication Date: 2020-12-24 (Filing Date: 2018-03-09)
Brief Description: This patent describes a vehicle-mounted device, potentially relating to various vehicle functions. More specific details are needed to assess its relevance.
Potential Anticipation (35 U.S.C. § 102): Without a more detailed description of the "vehicle-mounted device" and its functionality regarding gear selection based on steering patterns and non-directional driver approval, it's difficult to assess its potential to anticipate claims 1 or 12.

9. US11001301B2

Full Citation: US11001301B2, "Method for moving a motor vehicle out of a parking space with at least semi-autonomous manoeuvring of the motor vehicle up to an end position, driver assistance system and motor vehicle"
Publication Date: 2021-05-11 (Filing Date: 2016-01-21)
Brief Description: This patent describes a method and system for semi-autonomous maneuvering of a vehicle out of a parking space.
Potential Anticipation (35 U.S.C. § 102): This is highly relevant as it describes moving a vehicle out of a parking space with semi-autonomous maneuvering. The key differentiator for US12240457B1's claims would be whether this patent discloses offering the driver a gear change based on steering patterns and requiring non-directional approval. If it still requires the driver to explicitly select the gear, it may not anticipate claims 1 or 12.

10. US20210300349A1

Full Citation: US20210300349A1, "Vehicle movement assist system"
Publication Date: 2021-09-30 (Filing Date: 2020-03-31)
Brief Description: This patent describes a system that assists with vehicle movement.
Potential Anticipation (35 U.S.C. § 102): Without a more specific description of how this "vehicle movement assist system" operates, especially concerning automatic gear selection based on steering input and non-directional driver approval, it's difficult to determine its anticipatory potential.

11. US11623636B2

Full Citation: US11623636B2, "Display device for vehicle and parking assist system"
Publication Date: 2023-04-11 (Filing Date: 2019-12-13)
Brief Description: This patent describes a display device for a vehicle and a parking assist system.
Potential Anticipation (35 U.S.C. § 102): This reference primarily deals with the display interface of a parking assist system. It is less likely to anticipate the core method claims of US12240457B1 concerning the automatic offering of gear shifts based on steering patterns and non-directional driver approval.

12. US20240051558A1

Full Citation: US20240051558A1, "Automated adjustment of vehicle direction based on environment analysis"
Publication Date: 2024-02-15 (Filing Date: 2022-08-12)
Brief Description: This patent application describes automated adjustment of vehicle direction based on environmental analysis, likely for autonomous or assisted driving.
Potential Anticipation (35 U.S.C. § 102): This is highly relevant as it discusses automated adjustment of vehicle direction. The key for anticipation of US12240457B1's claims 1 and 12 would be whether it specifically discloses the steps of offering a mode change (between drive and reverse) based on steering control patterns and then changing modes in response to a non-directional approval by the driver. If the automated adjustment is fully autonomous without this specific interaction, it may not anticipate.

13. US11932230B1

Full Citation: US11932230B1, "Vehicle gear selection control"
Publication Date: 2024-03-19 (Filing Date: 2023-06-05)
Brief Description: This patent is a direct ancestor (Continuation-in-Part) of US12240457B1 and shares the same priority date and inventor. It describes a vehicle gear selection control system.
Potential Anticipation (35 U.S.C. § 102): Since US11932230B1 is a parent application to US12240457B1, it is considered prior art under 35 U.S.C. § 102(a)(2) (for claims not supported by the parent or with new matter) and also provides a basis for the priority date. However, as the instant patent is a continuation-in-part, it likely contains additional subject matter not present in US11932230B1. Any claims in US12240457B1 that are identical or obvious variations of subject matter fully disclosed and enabled in US11932230B1 and its earlier parent (US18/205,823) would be anticipated. Given the relationship, it's likely that the core inventive concept is present in the earlier application, and the later claims might refine or add specific conditions. The description of US11932230B1 is nearly identical to US12240457B1, suggesting strong overlap.

Other cited patents (briefly summarized due to lesser apparent direct relevance to the core claims without further detail):

US20130184979A1: "Method and System for Detection of Motor Vehicle Movement to Avoid Collisions." Focuses on collision avoidance, not direct gear selection.
US9219887B2: "Drive assist device." General drive assistance, needs more detail to assess gear selection.
US20200207334A1: "System, method, infrastructure, and vehicle for automated valet parking." Valet parking could involve gear changes, but the specific interaction with driver approval is key.
US20210269019A1: "Parking Assistance System for Automated Pulling-Out of a Longitudinal Parking Space With a Reversing Move as the Last Pulling-Out Move." Very relevant to unparking, but must be scrutinized for the "offering a change" and "non-directional approval" elements of US12240457B1.
US12049217B2: "Parking support device." General parking support.
US12084047B2: "Vehicle driving assist system." General driving assist.
US12151677B2: "Vehicle control device, vehicle control method, program, and vehicle." General vehicle control.

Most Relevant Prior Art:

Based on the titles and brief descriptions, the most relevant prior art for US12240457B1, particularly for claims 1 and 12, appears to be:

US11932230B1 ("Vehicle gear selection control") due to its direct familial relationship as a parent application. Any features claimed in US12240457B1 that are not new over this patent could be anticipated.
US9085321B2 ("Unparking control system and unparking control method using the same") because it specifically addresses "unparking," which is the primary scenario discussed in US12240457B1.
US11001301B2 ("Method for moving a motor vehicle out of a parking space with at least semi-autonomous manoeuvring of the motor vehicle up to an end position, driver assistance system and motor vehicle") also directly addresses moving out of a parking space with some level of automation.
US20210269019A1 ("Parking Assistance System for Automated Pulling-Out of a Longitudinal Parking Space With a Reversing Move as the Last Pulling-Out Move") for its specific focus on automated pulling-out from parking.
US20240051558A1 ("Automated adjustment of vehicle direction based on environment analysis") for its broader concept of automated direction adjustment.

To definitively assess anticipation under 35 U.S.C. § 102, a detailed claim-by-claim analysis against the full text of these most relevant prior art documents would be necessary. The key distinguishing features of US12240457B1's independent claims (1 and 12) are the offering of a mode change (between drive and reverse) based on steering control patterns and the requirement of non-directional driver approval for the change to be enacted. Any prior art that explicitly discloses all elements of these claims, including the specific "offering" and "non-directional approval" steps, would anticipate the claims.