US PATENT SUBCLASS 222 / 189.01
WITH FLAME ARRESTER
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
DEFINITION
Classification: 222/189.01
WITH FLAME ARRESTER:
(under the class definition) Subject matter having a means associated with a venting or discharge passage for preventing a flame from passing through it.
SEE OR SEARCH THIS CLASS, SUBCLASS:
53, and 152, for maintaining an inert atmosphere in or around the dispenser.
187, for a wick or absorbent material feed.
188, for a fluid trap seal, some of which are disclosed for washing material passing therethrough.
190, for an absorbent material used for other characters of dispensed material treatment or conditioning.
195, for a gas filter for the gas used in agitating the material to be dispensed. 394+, for a filter for fluid pressure discharge assistant.
SEE OR SEARCH CLASS
48, Gas: Heating and Illuminating,
192, for a flame guard.
55, Gas Separation,
490+, for means securing or retaining a separating media.
137, Fluid Handling,
140, and 544+ for fluid handling system having means for separating solid material from the fluid including screen, strainer and filter and subclasses 377+ for a foraminous guard for fluid handling system.
220, Receptacles,
88.2, for a fire preventing screen.
