Expired design patentArchive
Lamp shade
US D492,811 S · Assignee: Huangslite Industrial Co., LTD · Inventors: Huang; Huo-Tu
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 July 6, 2004. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended July 6, 2018.
- A design patent protects only how a product looks. We check US rights only.
FiledOctober 3, 2003
GrantedJuly 6, 2004
Term endedJuly 6, 2018
Application numberD/191152
Classification (CPC)—
Length8 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.