Invalidity dossier
US 8596813
Circuit board mount for LED light tube
Current assignee: Ilumisys Inc
Added 9/23/2026, 1:50:26 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US 8596813 B2
Title: Circuit board mount for LED light tube
Patent number / application: US 8596813 B2; Application US 13/179,790; earlier publication US 2012/0008316 A1
Inventor / assignee: Inventor John Ivey; original assignee Ilumisys Inc; reassignments recorded to ALTAIR ENGINEERING, INC. (2011-09-15) and ILUMISYS, INC. (2012-04-03). Current assignee listed as Ilumisys Inc.
Dates: Priority date 2010-07-12; filing date 2011-07-11; publication date 2013-12-03; status Active, adjusted expiration 2032-01-26.
Related filings noted: EP 11807340.2 (EP 2593714 A2), PCT/US2011/043524 (WO 2012009260 A2), JP 2013519737 (JP 2013531350 A), CA 2803267.
Purpose: The patent addresses mounting a circuit board inside an LED-based light tube intended as a replacement for a fluorescent tube. The excerpt notes fluorescent tubes pose disposal problems due to toxic materials in the glass tube. Because the circuit board is long and thin with a large aspect ratio, centering it while allowing for manufacturing tolerances and thermal expansion is described as a challenge.
Plain-language scope (from the supplied text): The disclosure covers a circuit board mount for an LED light tube having an elongate housing (which may be polycarbonate, acrylic, glass, or another light-transmitting material) and at least one circuit board. One embodiment is an end cap fitting over an open end of the housing, comprising an end wall, a side wall, at least one pin connector through the end wall, and at least one fitted slot extending from the end wall within the side wall to receive an end of the circuit board, with an elastic member in the slot to cushion the board. The fitted slot may be formed in the end wall or in a fitting carried by the end wall (possibly elastic), may be defined by at least two walls extending from the end wall's interior surface, and may have at least one beveled edge to guide the board. Two pin connectors are contemplated, with a fitted slot extending lengthwise between them. Figures 1–7 are described.
What the excerpt does not establish: It provides no claims text, no complete specification, no drawings content, and no prior-art references. Nothing about litigation, ownership validity, or claim scope is established here.
Generated 10/1/2026, 9:52:48 PM
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Litigation summary
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PTAB challenges
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Assignment history
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Prior art
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Obviousness
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Extensions
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Derivative works
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