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Photographic-tray rocker

US 1,416,396 A · Inventors: ANDERSON MIKE E

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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 16, 1922. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 16, 1939.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 2, 1920
GrantedMay 16, 1922
Term endedMay 16, 1939
Application number—
Classification (CPC)G03D3/04 +1 more
Length4 pages

Timeline

Timeline From USPTO dates

1921192319251927192919311933193519371939Application filedJuly 2, 1920Patent grantedMay 16, 1922Term endedMay 16, 1939

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