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.
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 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
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.