Expired design patentArchiveSolo inventor
Pipe cover
US D577,424 S · Inventors: Clark; Kevin
Overview
3 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 September 23, 2008. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 23, 2022.
- A design patent protects only how a product looks. We check US rights only.
FiledNovember 6, 2007
GrantedSeptember 23, 2008
Term endedSeptember 23, 2022
Application numberD/297175
Classification (CPC)—
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.