US PATENT SUBCLASS 172 / 250
.~ Changeable by disassembly or assembly

Current as of: June, 1999
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172 /   HD   EARTH WORKING

245  DF  CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY {5}
250.~ Changeable by disassembly or assembly {3}
251  DF  .~.~> Tool changeable to diverse tool {1}
253  DF  .~.~> Tool added or substracted
254  DF  .~.~> Tool rearranged on support structure

DEFINITION

Classification: 172/250

(under subclass 245) Apparatus adapted to be altered so as to operate in a different way or change its function in some way by (1) the steps of disassembling the apparatus in some major portion and then reassembling the apparatus with the same or different portions, (2) the step of disassembling some major portion from the apparatus, or (3) the step of assembling some major portion to the apparatus.

(1) Note. See the definition of subclass 245 for Notes limiting and explaining this definition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

243, for an earth working element replaceable by a ground support.

702+, for an earth working element with a reversible part.

719, for an earth working element with an added-on cutting or wearing edge, point, or surface.