CPC B64

CPC stands for the Cooperative Patent Classification and B64 is a set of aviation transportation categories.

Category tree that includes CPC B64, paraphrased for brevity here:

• B Performing operations; transporting
  • CPC B64 Aircraft; aviation; cosmonautics
    • CPC B64B Lighter-than-air aircraft
    • CPC B64C Aeroplanes; helicopters (for air-cushion vehicles see CPC B60V)
    • CPC B64D Equipment for fitting in or to aircraft; flying suits; parachutes; arrangements or mounting of power plants or propulsion transmission in aircraft
    • CPC B64F Ground or aircraft-carrier-deck installations specially adapted for aircraft; designing, manufacturing, assembling, cleaning, maintaining, or repairing aircraft not classified elsewhere; handling transporting, testing, or inspecting aircraft components not classified elsewhere
    • CPC B64G Cosmonautics; vehicles or equipment therefor; (but apparatus for, or methods of, winning materials from extraterrestrial sources see CPC E21C51/00)

There are no categories B64A or B64E.

References

Enclosing categories	CPC
Subcategories	CPC B64B, CPC B64C, CPC B64D, CPC B64F, CPC B64G
Keywords	Airplane, LTA, Balloon, USPC 244
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