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Expired design patentArchiveSolo inventor

Holder for fitting an accessory, especially an ear muff, to a safety helmet

US D277,237 S · Inventors: Lonnstedt; Bo G.

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1 drawing sheet

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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 January 22, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended January 22, 1999.
  • A design patent protects only how a product looks. We check US rights only.
FiledJuly 26, 1982
GrantedJanuary 22, 1985
Term endedJanuary 22, 1999
Application number06/401931
Classification (CPC)—
Length2 pages

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