US PATENT SUBCLASS 29 / 4.52
.~ Metal wool making


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

4.51  DF  SHREDDING METAL OR METAL WOOL ARTICLE MAKING {2}
4.52.~ Metal wool making {1}
4.53  DF  .~.~> Shaving or longitudinal cutting {1}


DEFINITION

Classification: 29/4.52

Metal wool making:

(under subclass 4.51) Process or apparatus for producing metal wool.

(1) Note. Metal wool is defined as metal filaments or threads matted into a densely felted mass.