Expired design patentArchive
Filter holder for a vacuum cleaner
US D436,701 S · Assignee: Royal Appliance Mfg. Co. · Inventors: Salo; Robert A. 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 January 23, 2001. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended January 23, 2015.
- A design patent protects only how a product looks. We check US rights only.
FiledJanuary 12, 2000
GrantedJanuary 23, 2001
Term endedJanuary 23, 2015
Application numberD/116865
Classification (CPC)—
Length5 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.