US PATENT SUBCLASS 15 / 328
.~.~ Convertible

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}
328.~.~ Convertible {4}
329  DF  .~.~.~> To or from hand held and hand manipulated
330  DF  .~.~.~> Suction to or from blast
331  DF  .~.~.~> Plural selective air draft means, e.g., on-floor to off-floor {2}
338  DF  .~.~.~> Converter attached to floor nozzle mouth

DEFINITION

Classification: 15/328

(under subclass 300) Cleaning apparatus, which, by addition or removal or change in position of parts, may be converted in whole or in part (1) to noncleaning apparatus, or (2) to cleaning apparatus without air-draft means; also, cleaners capable of applying an air-draft in two or more distinct types of operations, each being exercised alternatively and selected by addition or removal or change in position of parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

368+, particularly 373, for air-draft cleaners employing a work-contacting agitator which is adjustable to a position of noncontact.