US PATENT SUBCLASS 30 / 350
.~ Metallurgical feature
Current as of: June, 1999
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DEFINITION
Classification: 30/350
(under subclass 346) Blades wherein there is a recitation of some metallurgical feature along with the recitation of blade construction.
(1) Note. Blade construction includes a recitation of the nature or composition of the cutting edge which differs from the rest of the blade, or a coating on the blade.
SEE OR SEARCH THIS CLASS, SUBCLASS:
346.54, for a razor blade characterized by a metallurgical feature.
SEE OR SEARCH CLASS
148, Metal Treatment,
400+, for metal stock which may be a blade which has been uniformly treated to change its metal metallurgical characteristic. See the definition of subclass 400 for the line between stock proper for 148 and alloys proper for Class 420. 420, Alloys or Metallic Compositions, appropriate subclass for a blade of uniform character which is characterized solely by the alloy or metallic composition from which it is made.
428, Stock Material or Miscellaneous Articles,
544+, for stock material; e.g., of indefinite length, which is all metal or as adjacent metal components.
