US PATENT SUBCLASS 172 / 310
PLURAL WHEELED IMPLEMENTS

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

310PLURAL WHEELED IMPLEMENTS {4}
311  DF  .~> Outrigged implement adjustable inwardly
312  DF  .~> Implement draft connection forwardly of rear of self-propelled vehicle
313  DF  .~> Laterally spaced with separate draft tongues
314  DF  .~> Implements in echelon (e.g., gang plows, etc.)

DEFINITION

Classification: 172/310

(under the class definition) Apparatus in which there are plural earth working devices and plural ground wheels, the different ground wheels or groups of ground wheels being intimately associated with different earth working devices or groups of earth working devices.

(1) Note. Plural earth working devices and plural wheels are not classified under this definition if the wheels are equally associated with each ground working device, e.g., a single transverse tool bar supported on wheels at each end with trailing drag bars supporting earth working elements is not classified under this definition, but a plurality of drag bars supporting earth working elements, each drag bar having its own gauge wheel is classified under this definition.

(2) Note. The definition includes devices comprising a tractor having earth working elements mounted thereon and also propelling an implement comprising an earth working element and wheel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

298, for plural wheeled implements connected to a motor vehicle, at least one of the implements being forward of the rear of the motor vehicle.

392, for plural runner supported implements which are relatively movable during operation. SEE OR SEARCH CLASS

269, for wheeled vehicle attachments to receive and hold a rope and that are adapted to be released upon appreciable pull on the rope

411.1+, for articulated vehicles wherein a plurality of trailing vehicles are drawn by a propelling vehicle.