US PATENT SUBCLASS 440 / 45
.~.~ Produced by combustion

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

38  DF  JET DRIVE {5}
44  DF  .~ Propulsion fluid is pressurized gas {1}
45.~.~ Produced by combustion

DEFINITION

Classification: 440/45

Produced by combustion:

(under subclass 44) Device wherein the pressurized gas is

created as a direct result of the burning of a substance.

SEE OR SEARCH CLASS

417, Pumps,

73+, for pumps of the type which elevate or propel one fluid (e.g., liquid) by the ignition of another.