CA 244/31
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CA 244/31 is a Canadian patent category for the construction of lighter-than-air aircraft.[1][2][3]
Nearby tech classification tree:
- Class 244 Aeronautics
- CA 244/24 Lighter-than-air aircraft
- CA 244/25 Lighter-than-air aircraft with sustaining wings
- CA 244/26 Lighter-than-air aircraft sustained by beating wings or helicopters
- CA 244/27 Balloons for lighter-than-air aircraft
- CA 244/28 Captive balloons for lighter-than-air aircraft
- CA 244/29 Propulsion and control of lighter-than-air airships
- CA 244/30 Gas buoyancy and inflation for propulsion and control of lighter-than-air airships
- CA 244/31 Construction of lighter-than-air aircraft
- CA 244/32 Construction of gas cells for lighter-than-air aircraft
- CA 244/24 Lighter-than-air aircraft
References
This wiki has 4 patents in category "CA 244/31".
Patents in category CA 244/31
- Patent CA-1911-132010 (English title: Air ship, Inventors: Hermann Ruthenberg, Supplementary to patent: Patent DE-1909-232158)
- Patent CA-1909-119297 (English title: Air ship, Inventors: Joel Trout Rice, Filing date: 1909-03-29)
- Patent CA-1911-140669 (English title: Suspension of airship cars, Inventors: Romeo Wankmüller, Supplementary to patent: Patent GB-1911-2636, Filing date: 1911-09-12)
- Patent CA-1914-160546 (English title: Air Ship, Inventors: George Sutherland Dodman, Supplementary to patent: Patent GB-1913-16499, Filing date: 1914-07-20)
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