US PATENT SUBCLASS 15 / 412
.~.~ Motor features, e.g., housing or casing assemblies

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
412.~.~ Motor features, e.g., housing or casing assemblies {1}
413  DF  .~.~.~> Air cooling by other than main air stream

DEFINITION

Classification: 15/412

(under subclass 300) Cleaning apparatus claiming a motor and in which the invention resides in the relation of the motor to the apparatus.

(1) Note. This subclass includes patents for cleaner casings or housings specially fabricated as from stampings or castings to facilitate assembly with the motor.