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US D258,271 S · Assignee: Manville Forest Products Corporation · Inventors: Booth; Vernard S. et al.

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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 February 17, 1981. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 17, 1995.
  • A design patent protects only how a product looks. We check US rights only.
FiledJuly 31, 1978
GrantedFebruary 17, 1981
Term endedFebruary 17, 1995
Application number05/930299
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

1982198419861988199019921994Design grantedFeb 17, 1981Term endedFeb 17, 1995

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