US PATENT SUBCLASS 73 / 1.05
.~.~.~ Piston, sprayer, nozzle, or orifice


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

Internet Version by PATENTEC © 1999      Terms of Use



73 /   HD   MEASURING AND TESTING

1.01  DF  INSTRUMENT PROVING OR CALIBRATING {13}
1.02  DF  .~ Gas or liquid analyzer {2}
1.03  DF  .~.~ Reference standard {2}
1.05.~.~.~ Piston, sprayer, nozzle, or orifice


DEFINITION

Classification: 73/1.05

Piston, sprayer, nozzle, or orifice:

(under subclass 1.03) Subject matter wherein the reference standard comprises either (a) a solid cylinder or disk that fits snugly into a large cylinder and moves back and forth under fluid pressure (i.e., a piston), (b) a means for discharging a fine jet of liquid from a pressurized container (i.e., a sprayer), (c) a tube having a taper or constriction (i.e., a nozzle), or (d) an opening (i.e., an orifice).

SEE OR SEARCH THIS CLASS, SUBCLASS:

1.16+, for either (a) proving or calibrating a flowmeter having a nozzle or (b) using a flowmeter having a nozzle to prove or calibrate a device.

216, for a Weir type flowmeter having a constriction in the form of a submerged orifice or discharge nozzle.

294, for a liquid level or depth gauge having a funnel or hose nozzle.

861.61+, for a flowmeter having a pressure differential type (a) orifice or (b) flow nozzle.

SEE OR SEARCH CLASS 239, Fluid Sprinkling, Spraying, and Diffusing, appropriate subclasses for a sprayer or a nozzle, per se.