Expired design patentArchiveSolo inventor
Telephone with time-activated ringer
US D471,884 S · Inventors: Hinds; Gilbert Franklin et al.
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.
Why it's free to use
- Granted March 18, 2003. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 18, 2017.
- A design patent protects only how a product looks. We check US rights only.
FiledMarch 8, 2002
GrantedMarch 18, 2003
Term endedMarch 18, 2017
Application numberD/156900
Classification (CPC)—
Length5 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.