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US 1,532,012 A · Inventors: WILSON JOHN H

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1 drawing sheet

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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 March 31, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 31, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 26, 1924
GrantedMarch 31, 1925
Term endedMarch 31, 1942
Application number—
Classification (CPC)A63F7/044
Length3 pages

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