USPC 244/73

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U.S. patent classification subclass 244/73 is for patents related to fluid propellers: Devices and arrangements for propelling aircraft using reactions to jets or restricted masses of air or other fluid.[1][2]

Related subclasses:[3]

  • USPC 244/74 Explosive jet: The arrangements and use of devices in which explosions produce a jet of air or other fluid
  • USPC 244/12.1+, USPC 244/15, USPC 244/23, and USPC 244/29.
  • USPC 60 Power Plants, subclasses 200.1+ for reaction motors, per se.
  • USPC 239, Fluid Sprinkling, Spraying, and Diffusing, subclasses 127.1+ and 265.11+ for the discharge nozzle subcombination of a reaction motor.

References


Patents in category USPC 244/73R

Enclosing categories USPC 244/62
Subcategories USPC 244/74
Keywords Propellers, Jet
Start year
End year