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Photomechanical printing surface

US 2,160,242 A · Inventors: CATON WEBB KEVIN WILLIAM

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Overview

The published document from the USPTO: abstract, claims, description and drawings. 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 May 30, 1939. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 30, 1956.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 26, 1935
GrantedMay 30, 1939
Term endedMay 30, 1956
Application number—
Classification (CPC)G03F7/07
Length4 pages

Timeline

Timeline From USPTO dates

1936193919421945194819511954Application filedJune 26, 1935Patent grantedMay 30, 1939Term endedMay 30, 1956

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