US PATENT SUBCLASS 492 / 59
.~ Specific nonmetallic composition


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



492 /   HD   ROLL OR ROLLER

57  DF  SINGLE ANNULAR MEMBER, PER SE {2}
59.~ Specific nonmetallic composition


DEFINITION

Classification: 492/59

Specific nonmetallic composition:

(under subclass 57) Roll, which is made of material devoid of free metal and which does not exhibit any substantive

metallic properties.

(1) Note. A patent claiming a roll merely by the composition of which it is made; i.e., with the roll being mentioned by name only, is classified in the composition classes where a composition provides for such composition even though there is no claim to the composition, per se. See Class 106, Compositions: Coating or Plastic, main class definition for the classification of various compositions.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, see (1) Note, above.

400, Typewriting Machines,

661+, for type impact-receiving platens composed of sound deadening materials, and subclass 662 for a platen having particular surface characteristic.