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Siren speaker

US D397,635 S · Assignee: Portman Security System International Co., Ltd. · Inventors: Chu; Charles

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Overview

The published document from the USPTO: abstract, claims, description. Open it full size

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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 September 1, 1998. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 1, 2012.
  • A design patent protects only how a product looks. We check US rights only.
FiledApril 2, 1997
GrantedSeptember 1, 1998
Term endedSeptember 1, 2012
Application numberD/068855
Classification (CPC)—
Length5 pages

Timeline

Timeline From USPTO dates

1999200120032005200720092011Design grantedSep 1, 1998Term endedSep 1, 2012

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