Extensions

As a senior US patent analyst, I have reviewed the information for US Patent 12491430. Below is a detailed analysis based on the available data as of today's date, May 13, 2026.

Patent Information

• Patent Number: 12491430
• Title: Puzzle platform
• Inventor: Xiaoling CHE
• Application Number: US19/011,676
• Filing Date: January 7, 2025
• Issue Date: December 9, 2025
• Current Assignee: Individual
• Legal Status: Active

Patent Term

• Patent Term Adjustments (PTA) / Patent Term Extensions (PTE):

  • Based on the provided information, there is no mention of any Patent Term Adjustments or Extensions. The patent's timeline from filing to issuance is relatively short, which typically results in minimal to no PTA. A detailed review of the file wrapper in the USPTO's Patent Center would be required to confirm the absence of any PTA calculations.

• Projected Expiration Date:

  • The projected expiration date for a US patent is typically 20 years from the earliest effective filing date. This patent claims priority to several earlier applications, with the earliest priority date being September 26, 2021 (from Chinese applications 2021111315541 and 2021223348151, via US application 17/505,587).
  • Therefore, the anticipated expiration date is October 19, 2041, which is 20 years from the earliest US priority date of October 19, 2021, claimed by this patent family. This date does not account for any potential PTA, which appears to be zero based on available data, or any future disclaimers.

Continuity and Family Information

This patent is part of a large family of applications and has a complex priority claim history.

• Continuation Applications:

  • The present application (US19/011,676 which issued as US12491430) is a continuation of U.S. patent application Ser. No. 18/734,521, filed on June 5, 2024.

• Relationship to Other Applications:

  • This patent is a continuation-in-part of several earlier applications, creating a chain of priority. The key parent applications include:
    • U.S. Ser. No. 18/530,402, filed Dec. 6, 2023
    • U.S. Ser. No. 18/541,685, filed Dec. 15, 2023
    • U.S. Ser. No. 18/235,896, filed Aug. 21, 2023
    • U.S. Ser. No. 17/829,359, filed Jun. 1, 2022
    • U.S. Ser. No. 18/235,416, filed Aug. 18, 2023
    • U.S. Ser. No. 17/505,587, filed Oct. 19, 2021

• Divisional Applications:

  • There is no information in the provided text to indicate that this patent is a divisional application or that any divisional applications have been filed claiming priority to it.

• Related Family Members (Priority Claims):

  • This patent claims priority to a number of U.S. and Chinese applications. The full list of applications from which priority is claimed is extensive and demonstrates a broad strategy for protecting the intellectual property. The earliest priority date is from two Chinese patent applications filed on September 26, 2021. Other notable priority claims include:
    • CN202420292101.XU, filed Feb. 8, 2024
    • Several other US applications filed between 2021 and 2025.

This detailed history of continuation and continuation-in-part applications indicates an ongoing development and refinement of the invention, with new features and embodiments being added over time, all while maintaining the benefit of the earliest filing dates for the originally disclosed subject matter.