USPC 244/51

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U.S. patent classification subclass 244/51 is for patents related to steering propulsion: Devices and arrangements for steering aircraft in flight by means of the propelling agency.[1][2]

(This may mean: navigating by means of jets not propellers or wing warping or wing tilting)

Related subclasses:[3]

  • USPC 244/52, for devices and arrangements in which the propelling agency is the movement of restricted masses, or jets, of air or other fluid.
  • USPC 244/92, for propellers used only in steering or stabilizing
  • USPC 440 or similar devices and arrangements used on ships

References

Patents in category USPC 244/51

Enclosing categories USPC 244
Subcategories USPC 244/52
Keywords Propellers, jets
Start year
End year