Expired design patentArchive
Brush roll for a vacuum cleaner
US D518,258 S · Assignee: Tacony Corporation · Inventors: Hamm; David T. et al.
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 28, 2006. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 28, 2020.
- A design patent protects only how a product looks. We check US rights only.
FiledJuly 9, 2004
GrantedMarch 28, 2006
Term endedMarch 28, 2020
Application numberD/209064
Classification (CPC)—
Length4 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.