Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR

Subclass:

SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR

Child Classifications

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• F03G 7/04 using pressure differences or thermal differences occurring in nature
• F03G 7/06 using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
• F03G 7/08 recovering energy derived from swinging, rolling, pitching, or like movements, e.g. from the vibrations of a machine
• F03G 7/1 Alleged