US PATENT SUBCLASS 4 / 449
DRY CLOSETS

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

449DRY CLOSETS {14}
111.1  DF  .~> With heating meas {4}
450  DF  .~> Bedpans {7}
458  DF  .~> Automobile {1}
459  DF  .~> Chemical
460  DF  .~> Field
461  DF  .~> Plural
462  DF  .~> With urinal {1}
464  DF  .~> With magazine {6}
471  DF  .~> Valved bowl {2}
474  DF  .~> Vault type {1}
476  DF  .~> Enclosed receptacle type {2}
479  DF  .~> Receptacle type {5}
485  DF  .~> Seat subclosure {1}
144.1  DF  .~> Urinal {3}

DEFINITION

Classification: 4/449

DRY CLOSETS:

(under the class definition) Subject matter having means for receiving human waste material wherein a flush liquid is not used to assist the removal of the material from the means.

(1) Note. When it cannot be determined if means to assist removal of bowel material is a liquid or dry material, the document is placed as an original in Miscellaneous subclass 661 and cross-referenced in appropriate subclasses.

(2) Note. A bedpan may be cleaned by using water from a supply. If liquid handling means is used to flush the bedpan, the patents will be placed in subclasses for a liquid flush closet. See search notes below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

300+, for a liquid flush closet.