US PATENT SUBCLASS 30 / 223
.~.~.~.~ Blade assembly

Current as of: June, 1999
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30 /   HD   CUTLERY

165  DF  CUTTING TOOLS {19}
173  DF  .~ Plural cooperating blades {6}
194  DF  .~.~ Shears {12}
196  DF  .~.~.~ Multiple shearing position {10}
223.~.~.~.~ Blade assembly {1}
224  DF  .~.~.~.~.~> With friction reducing feature

DEFINITION

Classification: 30/223

(under subclass 196) Inventions in which the claimed invention resides in the relationship and form of both cooperating blades.

(1) Note. Many patents in this class, subclasses 196+, show blade assemblies but claim in addition some other feature and to make a complete search on the subject matter of this subclass, the above subclasses should also be searched.

SEE OR SEARCH THIS CLASS, SUBCLASS:

225, for the structure of a single multiple position blade.

(2) Note. Compare Class 56, Harvesters, subclasses 289+.