B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
  
TRANSPORTING
 B64
AIRCRAFT; AVIATION; COSMONAUTICS
 B64B
LIGHTER-THAN-AIR AIRCRAFT (ground installations for aircraft in general B64F)

 B64C
AEROPLANES; HELICOPTERS (air-cushion vehicles B60V)
 B64C

Note(s)

As far as possible, an invention is classified primarily according to constructional features; classification according to particular kinds of aircraft is normally regarded as being of secondary importance, except in cases where this is considered to be the characteristic feature. [3]


 B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS

 B64F
GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS
 B64F

Note(s)

In this subclass, the following terms or expressions are used with the meanings indicated:

  • "installations" embraces equipment, including mobile equipment, peculiar to use in connection with aircraft and not fitted thereto;
  • "ground installations" embraces waterborne installations. [3]


 B64G
COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR (apparatus for, or methods of, winning materials from extraterrestrial sources E21C 51/00)
 B64G

Note(s)

  1. This subclass covers only vehicles, equipment or the like, which are specially adapted for cosmonautics.
  2. This subclass does not cover vehicles and equipment applicable to both cosmonautics and aeronautics, which are covered by the appropriate aeronautical subclasses of class B64.
  3. In this subclass, the following term is used with the meaning indicated:
    • "cosmonautics" includes all transport outside the earth's atmosphere, and thus includes artificial earth satellites, and interplanetary and interstellar travel.