US PATENT SUBCLASS 440 / 33
TOWING

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

33TOWING {3}
34  DF  .~> Cable system
35  DF  .~> Track system
36  DF  .~> Ground wheel or poler

DEFINITION

Classification: 440/33

TOWING:

(under the class definition) Device wherein the propulsion means is a means provided to haul or pull a vessel in a canal or river or upon the sea or other bodies of water.

SEE OR SEARCH CLASS

114, Ships,

242+, for towing devices other than propelling means.

191, Electricity: Transmission to Vehicles,

12, for electric railway systems.