US PATENT SUBCLASS 15 / 429-- .~.~.~.~ Including advancing means for erasive body

US PATENT SUBCLASS 15 / 429
.~.~.~.~ Including advancing means for erasive body

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

104.001	DF	IMPLEMENTS {28}
424	DF	.~ Eraser {1}
425	DF	.~.~ Including handling means {4}
427	DF	.~.~.~ Which is pencil sheath or casing {3}
429		.~.~.~.~ Including advancing means for erasive body {1}
430	DF	.~.~.~.~.~> Axially adjustable sleeve

DEFINITION

Classification: 15/429

(under subclass 427) Implement which includes an enclosure within which the erasive body is relatively movable for causing, or increasing the extent of, protrusion of the work-contacting portion of the body therefrom, which implement includes manually engageable elements, not including the erasive body itself, which are shiftable relative to one another for the protrusion-effecting movement of the body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

431+, and 434, for an erasing implement in which the erasive body is directly digitally engageable for the adjustment thereof relative to its enclosure.

433, for an erasing implement having a holder provided with means to advance erasive material, which holder is not a pencil sheath or casing nor is disclosed as being attachable thereto; see the search notes to subclass 433.