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Intercom master station

US D394,656 S · Assignee: Aiphone Co., Ltd. · Inventors: Kato; Tetuaki et al.

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Overview

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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 May 26, 1998. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 26, 2012.
  • A design patent protects only how a product looks. We check US rights only.
FiledDecember 25, 1996
GrantedMay 26, 1998
Term endedMay 26, 2012
Application numberD/064320
Classification (CPC)—
Length4 pages

Timeline

Timeline From USPTO dates

1999200120032005200720092011Design grantedMay 26, 1998Term endedMay 26, 2012

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