Expired design patentArchive
Padlock shackle
US D573,446 S · Assignee: Hampton Products International Corporation · Inventors: Gast; Robert L.
Overview
2 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 July 22, 2008. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended July 22, 2022.
- A design patent protects only how a product looks. We check US rights only.
FiledAugust 24, 2007
GrantedJuly 22, 2008
Term endedJuly 22, 2022
Application numberD/291372
Classification (CPC)—
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.