Expired design patentArchiveSolo inventor
Textured venetian blind slat
US D347,348 S · Inventors: Chen; Chang-Than
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 May 31, 1994. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 31, 2008.
- A design patent protects only how a product looks. We check US rights only.
FiledFebruary 25, 1991
GrantedMay 31, 1994
Term endedMay 31, 2008
Application number07/660120
Classification (CPC)—
Length2 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.