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Propulsion means

US 1,961,237 A · Inventors: MOBLEY WILLIAM R

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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 5, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 5, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 24, 1931
GrantedJune 5, 1934
Term endedJune 5, 1951
Application number—
Classification (CPC)B64C11/006
Length3 pages

Timeline

Timeline From USPTO dates

1932193419361938194019421944194619481950Application filedApril 24, 1931Patent grantedJune 5, 1934Term endedJune 5, 1951

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