Expired design patentArchiveSolo inventor
Precious stone cut crown design having 53 facets
US D610,941 S · Inventors: So; David
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 2, 2010. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 2, 2024.
- A design patent protects only how a product looks. We check US rights only.
FiledMay 28, 2009
GrantedMarch 2, 2010
Term endedMarch 2, 2024
Application numberD/337744
Classification (CPC)—
Length3 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.