Patent Yard Sign in
Expired design patentArchive

Sensor controlled light

US D417,923 S · Assignee: Forexim (H.K.) Limited · Inventors: Chiu; Terance Chi Ping

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description. Open it full size

Read the whole patent

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.

Google PatentsUSPTO PDF

Why it's free to use

  • Granted December 21, 1999. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended December 21, 2013.
  • A design patent protects only how a product looks. We check US rights only.
FiledAugust 22, 1997
GrantedDecember 21, 1999
Term endedDecember 21, 2013
Application numberD/075764
Classification (CPC)—
Length5 pages

Timeline

Timeline From USPTO dates

2000200220042006200820102012Design grantedDec 21, 1999Term endedDec 21, 2013

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

Everything on this page comes from the USPTO record linked above.