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US 1,686,237 A · Inventors: HOEXTER SEYMOUR L

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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 October 2, 1928. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 2, 1945.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 16, 1925
GrantedOctober 2, 1928
Term endedOctober 2, 1945
Application number—
Classification (CPC)A63F3/00529 +2 more
Length3 pages

Timeline

Timeline From USPTO dates

1926192819301932193419361938194019421944Application filedOct 16, 1925Patent grantedOct 2, 1928Term endedOct 2, 1945

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