US PATENT SUBCLASS 144 / 34.1
.~ Tree felling


Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
34.1.~ Tree felling {5}
34.2  DF  .~.~> Tree puller or pusher
34.3  DF  .~.~> Antisplit clamp
34.4  DF  .~.~> Burning or charring means
34.5  DF  .~.~> Shear
34.6  DF  .~.~> Single blade and pass means


DEFINITION

Classification: 144/34.1

Tree felling:

(under subclass 2.1) Various apparatus for cutting down a tree.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4.1, for a special work machine "particularly" adapted to both timber cutting and handling.

193, for a device for splitting a stump in situ, (i.e., in the earth).

335+, for a method of tree harvesting or processing.

SEE OR SEARCH CLASS

30, Cutlery,

95+, for a work-supported, strand encircling, contractile cutter; subclasses 166.3+ for a saw, generally, that is randomly manipulated, particularly subclass 379 for a vehicle-mounted saw wherein the saw support and vehicle are moved together randomly with respect to the work during cutting, subclass 379.5 for a vehicle-mounted saw wherein the saw support structure moves relative to the vehicle and randomly relative to the work during cutting, and subclasses 381+ for a chainsaw. Note the cutter device of Class 30 may be used to cut a tree, but the combination of a Class 30 cutter with additional structure to direct the fall of a tree is to be found in Class 144. 56, Harvesters,

229+, for a harvesting device supported on the ground and specialized to the cutting or mowing of small grain, grass, and the like.

83, Cutting, cross-reference art collection 928 for an art collection of cutting machines, each of which includes a work support mounted on a vehicle.