US PATENT SUBCLASS 254 / 134.5
.~ Tractor for pulling wire (e.g., battery-powered)

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

134.3 R  DF  METHOD OR APPARATUS FOR PLACEMENT OF CONDUCTIVE WIRE {7}
134.5.~ Tractor for pulling wire (e.g., battery-powered) {1}
134.6  DF  .~.~> Step-by-step type (e.g., by camming against messenger)

DEFINITION

Classification: 254/134.5

Tractor for pulling wire (e.g., battery-powered):

(under subclass 134.3) Subject matter having means for exerting traction on the cable, at a point which is relatively inaccessible, by mechanical reaction between the cable at said point and the environment (e.g., aerial messenger) at said point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134.3, where the wire-placing means is a fishing member which extends to an accessible location.

134.7, where the wire-placing means is a series of sectional members which, when coupled, extend to an accessible location.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

104.12, for devices wherein a cleaning instrumentality is propelled through a conduit by mechanical traction developed by a motor means actuated by a fluid not confined solely by the conduit.