.~.~ Having evacuation or degasification means or means to introduce gas, vapor, liquid or solid treating agent
DEFINITION
Classification: 445/70
Having evacuation or degasification means or means to introduce gas, vapor, liquid or solid treating agent:
(under subclass 66) Apparatus including means for (1) applying gaseous material, aerosol, liquid, or solid treating material within an enclosure of an electric lamp or electric space discharge device; (2) removing, absorbing, or adsorbing gaseous material or aerosol from within an enclosure of the lamp or device; or (3) removing gases or vapors from other parts of the lamp or discharge device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
38+, for methods of assembly including evacuating, degasifying or gas, vapor, liquid, or meltable or sublimable solid introduction.
73, for similar subject matter which does not include any assembly apparatus - see the search notes thereunder.