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Vented ear tip for hearing aid

US D267,429 S · Assignee: Qualitone Hearing Aids, Inc. · Inventors: Harada; Mas

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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 December 28, 1982. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended December 28, 1996.
  • A design patent protects only how a product looks. We check US rights only.
FiledApril 28, 1980
GrantedDecember 28, 1982
Term endedDecember 28, 1996
Application number06/144539
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

1983198519871989199119931995Design grantedDec 28, 1982Term endedDec 28, 1996

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