Expired design patentArchive
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US D258,564 S · Assignee: Ethyl Corporation · Inventors: Hayes; Thomas H.
Overview
1 drawing sheet
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 March 17, 1981. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 17, 1995.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 30, 1979
GrantedMarch 17, 1981
Term endedMarch 17, 1995
Application number06/034624
Classification (CPC)—
Length2 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.