US PATENT SUBCLASS 417 / 903
TREADLE OPERATED
Current as of: June, 1999
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DEFINITION
Classification: 417/903
Pumps which are operated by a treadle adapted to be operated by the foot or feet of a human or animal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
229, for pumps operated by a passing vehicle.
SEE OR SEARCH CLASS
119, Animal Husbandry,
76, for animal operated watering pumps delivering to a watering trough.
