USPC 244/87

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USPC 244/87 Rudders and empennage: Auxiliary airfoils and their arrangements for steering and stabilizing. Subclasses:

  • USPC 244/88 Rudders universally mounted: under subclass 87. Rudders mounted for movement about a plurality of axes.
  • USPC 244/89 Elevators both front and rear: under subclass 87. Horizontal rudders arranged at both the front and the rear of aircraft.
    • USPC 244/90 Ailerons and other roll control devices: under subclass 89. Devices for controlling aircraft about their horizontal fore-and-aft axes.
Patents in this category
Enclosing categories USPC 244/75.1
Subcategories USPC 244/88, USPC 244/89, USPC 244/90
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