USPC 244/74
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U.S. patent classification subclass 244/74 is for patents related to explosive jets: The arrangements and use of devices in which explosions produce a jet of air or other fluid.[1][2]
Related subclasses:[3]
- 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
- ↑ Description of category USPC 244/74 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#74
Patents in category USPC 244/74
- Patent US-1866-59487 (English title: Improvement in war-rockets, Inventors: J.J.B. Walbach)
- Patent US-1911-1003411
- Patent US-1867-80107 (English title: Aerial car, Inventors: Onofrio Abbruzo, Filing date: 1867-09-14)
- Patent US-1893-508753 (English title: Airship, Inventors: Edwin Pynchon, Filing date: 1891-03-23)
- Patent US-1892-502168 (English title: Aerial Machine, Inventors: Sumter Beauregard Battey, Filing date: 1892-08-26)
- Patent US-1901-670807 (English title: Air-ship, Inventors: Ole Olsen, Filing date: 1900-03-23)
- Patent US-1914-1099083 (English title: Self-rotating propeller, Inventors: Henry A. Duc, Jr., Filing date: 1910-12-17)
| Enclosing categories | USPC 244/73 |
|---|---|
| Subcategories | |
| Keywords | Propellers, jets |
| Start year | |
| End year |
