CA 244/28

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CA 244/28 is a Canadian patent category for captive balloons for 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

References

This wiki has 1 patents in category "CA 244/28".

Patents in category CA 244/28

Patent CA-1880-13781 (English title: Improvements in Aerial Balloons, Inventors: Comte Antoine Apraxine, Filing date: 1880-05-25)

Enclosing categories	CA 244/27, CA 244/24
Subcategories
Keywords	LTA, Balloon, Airship
Start year
End year

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