USPC 244/92
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U.S. patent classification subclass 244/92 is for patents related to stabilizing propellers: Auxiliary propellers on aircraft for steering or stabilizing.[1][2]
Related subclasses:[3]
- USPC 244/51, for main thrust propellers used also to steer.
References
- ↑ Description of category USPC 244/92 at uspto.gov
- ↑ Class 244: Aeronautics, Manual of U.S. Patent Classification, as of June 30, 2000
- ↑ https://www.uspto.gov/web/offices/ac/ido/oeip/taf/def/244.htm#92
Patents in category USPC 244/92
- Patent US-1913-1075447 (Inventors: Edwin D Stevenson, Filing date: 1913-01-15)
- Patent US-1911-1002067 (Inventors: Augustus F. W. Macmanus, Filing date: 1909-12-10)
- Patent US-1914-1104039 (English title: Flying machine, Inventors: Carl Dienstbach, Filing date: 1910-04-13)
- Patent US-1914-1119567 (Inventors: Emile Berliner, Filing date: 1912-01-29)
- Patent US-1913-1074659 (Inventors: Leon SPIRO, Filing date: 1912-06-25)
- Patent US-1914-1084024 (Inventors: Archibald G. Matteson, Filing date: 1912-09-12)
- Patent US-1913-1081558 (Inventors: William E Shouler, Filing date: 1912-12-09)
- Patent US-1916-1203031 (English title: Flying-machine, Inventors: Howard Merkel, Filing date: 1914-05-25)
- Patent US-1915-1148050 (Inventors: James M. Reynolds, Filing date: 1914-10-03)
Enclosing categories | USPC 244/75.1 |
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Subcategories | |
Keywords | Propellers, jets |
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