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Combined induction and exhaust manifold for an internal combustion engine

US D259,489 S · Assignee: Perkins Engines Limited · Inventors: Herenius; Frederik J.

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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 June 9, 1981. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 9, 1995.
  • A design patent protects only how a product looks. We check US rights only.
FiledJune 19, 1978
GrantedJune 9, 1981
Term endedJune 9, 1995
Application number05/916671
Classification (CPC)—
Length5 pages

Timeline

Timeline From USPTO dates

1982198419861988199019921994Design grantedJune 9, 1981Term endedJune 9, 1995

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