US PATENT SUBCLASS 440 / 12.56
.~.~ Flexible endless track propulsion means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


440 /   HD   MARINE PROPULSION

12.5  DF  SELF-PROPELLED VEHICLE HAVING LAND AND WATER PROPULSION MEANS (E.G., AMPHIBIOUS VEHICLE) {5}
12.51  DF  .~ Having separated propulsion means for land and water {4}
12.56.~.~ Flexible endless track propulsion means

DEFINITION

Classification: 440/12.56

Flexible endless track propulsion means:

(under subclass 12.51) Subject matter wherein the means for moving the vehicle under its own power includes (a) an annular band made either of a single piece of flexible material or of a plurality of individual treads or sections movably connected together, (b) the annular band contacting the land or the body of water and applying a force thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

95+, for flexible endless track propelling means for a marine vehicle, per se.

SEE OR SEARCH CLASS

180, Motor Vehicles, especially

6.2+, for steering by driving of a motor propelled land vehicle, subclass 6.7 for steering by driving of a motor propelled land vehicle having an endless flexible track, and subclasses 9.1+, for a motor propelled land vehicle having a flexible endless track for propulsion.

305, Wheel Substitutes for Land Vehicles, appropriate subclasses, especially

35+, for a flexible endless track for propelling a land vehicle.