USPC 244/81
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USPC 244/81 was a patent classification for Devices and arrangements for operating aircraft control systems in response to conditions peculiar to the landing of aircraft, as, for example, the contact of some member with the ground or water..[1]
- USPC 244/75.1 Aircraft control. A device or arrangement directed to and limited to the controlling of an aircraft in flight. (1) Note. This subclass provides for control elements as distinguished from control surfaces, such as a leading edge flap, which are provided for elsewhere.
- USPC 244/76 Devices and systems for automatically controlling aircraft along a predetermined course or in response to changing conditions. This includes aircraft arranged to automatically maintain stable equilibrium.
- USPC 244/81 Devices and arrangements for operating aircraft control systems in response to conditions peculiar to the landing of aircraft, as, for example, the contact of some member with the ground or water
- USPC 244/76 Devices and systems for automatically controlling aircraft along a predetermined course or in response to changing conditions. This includes aircraft arranged to automatically maintain stable equilibrium.
References
- ↑ Description of subclass USPC 244/81 from US Patent and Trademark Office
This wiki has 2 patents in category "USPC 244/81".
Patents in category USPC 244/81
- Patent US-1914-1151419 (English title: Speed-controller for aeroplanes, Inventors: Alexander Blair Thaw, Filing date: 1914-01-29)
- Patent US-1914-1368226 (English title: Aeroplane-stabilizer, Inventors: Elmer A. Sperry, Filing date: 1914-07-17, Applicant firm: Sperry Gyroscope)
| Enclosing categories | USPC 244/76 |
|---|---|
| Subcategories | |
| Keywords | automatic control |
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