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Dynamic keypad for controlling electrical loads

US D640,992 S · Assignee: Lutron Electronics Co., Inc. · Inventors: Margolin; Lauren B. et al.

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Granted July 5, 2011. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended July 5, 2025.
  • A design patent protects only how a product looks. We check US rights only.
FiledSeptember 3, 2009
GrantedJuly 5, 2011
Term endedJuly 5, 2025
Application numberD/342975
Classification (CPC)—
Length14 pages

Timeline

Timeline From USPTO dates

2012201420162018202020222024Design grantedJuly 5, 2011Term endedJuly 5, 2025

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comJustia PatentsFull text, claims and classification.patents.justia.comFreePatentsOnlineFull text and PDF.freepatentsonline.comEspacenetForeign family and legal status.European Patent Office

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