US PATENT SUBCLASS 340 / 550-- .~.~.~ Partition penetration

US PATENT SUBCLASS 340 / 550
.~.~.~ Partition penetration

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

Internet Version by PATENTEC © 1999 Terms of Use

340 /	HD	COMMUNICATIONS: ELECTRICAL

500	DF	CONDITION RESPONSIVE INDICATING SYSTEM {6}
540	DF	.~ Specific condition {18}
541	DF	.~.~ Intrusion detection {8}
550		.~.~.~ Partition penetration

DEFINITION

Classification: 340/550

Partition penetration:

(under subclass 541) Subject matter responsive to the condition of a barrier member of a structure.

(1) Note. Barrier members of a structure may be permanent, e.g., building walls, or temporary, e.g., doors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

545.1+, for subject matter responsive to movement of a door or window.

652, for "break-wired" systems, per se.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

783.1+, for window panes, per se; and subclass 105 for static structures with indicia. 200, Electricity: Circuit Makers and Breakers,

61.08, for frangible switches.