Expired design patentArchive
Mixer for viscous materials
US D576,186 S · Assignee: United States Gypsum Company · Inventors: Rosso; Aaron Charles 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 September 2, 2008. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 2, 2022.
- A design patent protects only how a product looks. We check US rights only.
FiledJuly 31, 2007
GrantedSeptember 2, 2008
Term endedSeptember 2, 2022
Application numberD/289750
Classification (CPC)B01F27/191
Length6 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.