US PATENT SUBCLASS 29 / 81.11
.~ Scraper or scalper


Current as of: June, 1999
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29 /   HD   METAL WORKING

81.01  DF  SCALE REMOVER OR PREVENTOR {9}
81.11.~ Scraper or scalper


DEFINITION

Classification: 29/81.11

Scraper or scalper:

(under subclass 81.01) Process or apparatus wherein the workpiece is contacted by an edged instrument to remove or scalp the scale from a surface thereof.

(1) Note. Placement in this subclass requires more than cutting away small pieces of scale from a surface with a sharpened blade or chisel which is classified in subclass 81.16.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

93.1, for a machine in which the sole cleaning instruments are scrapers.