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Surface effect ship

US D276,986 S · Assignee: Textron Inc. · Inventors: Chaplin; John B.

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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 1, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended January 1, 1999.
  • A design patent protects only how a product looks. We check US rights only.
FiledDecember 2, 1982
GrantedJanuary 1, 1985
Term endedJanuary 1, 1999
Application number06/446325
Classification (CPC)—
Length3 pages

Timeline

Timeline From USPTO dates

1986198819901992199419961998Design grantedJan 1, 1985Term endedJan 1, 1999

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