Expired design patentArchive
Combined air filteration housing and conveyor unit
US D295,567 S · Assignee: Shuttleworth, Inc. · Inventors: Cooper; Rutherford L. 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 May 3, 1988. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 3, 2002.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 1, 1985
GrantedMay 3, 1988
Term endedMay 3, 2002
Application number06/718738
Classification (CPC)—
Length5 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.