US PATENT SUBCLASS 33 / 121
AREA INTEGRATORS
Current as of: June, 1999
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DEFINITION
Classification: 33/121
(under the class definition) Subject matter comprising integrating means for determining superficial extent directly.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, for planimeter type calculators for determining geometrical properties other than area, such as mean radius, mean square foot radius, and moment of inertia of area.
SEE OR SEARCH CLASS
356, Optics: Measuring and Testing,
379+, for optical area or volume integrators.