US PATENT SUBCLASS 313 / 545
HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS


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

Internet Version by PATENTEC © 1999      Terms of Use



313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

545HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS


DEFINITION

Classification: 313/545

HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR PRESSURE CONTROL MEANS:

(under the class definition) Subject matter which includes as electric lamp or a discharge device having an envelope with an opening, a passageway with a device to close or open the passageway connected to the opening to permit the passage of gas or vapor including a getter into or out of the envelope for the purpose of controlling the operation including the regulation of the gas or vapor pressure of the lamp or discharge device.

(1) Note. The subcombination of the valve for an electric lamp or discharge device is here unless provided for elsewhere.

(2) Note. The reservoir for the gas or vapor to be admitted to the lamp or discharge device can be also claimed.

(3) Note. The purpose may be for pressure regulation of the gas or vapor pressure of the lamp or discharge device or for gettering an unwanted gas or vapor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7, for a lamp or discharge device with an evacuating pump.

11+, for a lamp, discharge device or electrode combined with means to modify the temperature of the lamp, discharge device or electrode or some other part thereof.

SEE OR SEARCH CLASS 137, Fluid Handling,

251.1, for liquid valves, per se.

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

8, for processes of exhausting a lamp envelope, and inserting a gas or vapor into the exhausted envelope.

222, Dispensing,

3+, for gas or vapor dispensing into an evacuated envelope by the use of a valve.

251, Valves and Valve Actuation, for a valve.

315, Electric Lamp and Discharge Devices: Systems,

110, for valve controlled confined gas or vapor load device with pressure regulating means.

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener,

52+, for expansion and contraction of pump fluid processes.