US PATENT SUBCLASS 292 / 21
.~.~ Emergency operating means

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

Internet Version by PATENTEC © 1999      Terms of Use


292 /   HD   CLOSURE FASTENERS

2  DF  BOLTS {15}
3  DF  .~ Multiple {16}
21.~.~ Emergency operating means

DEFINITION

Classification: 292/21

(under subclass 3) Devices operated by various forms of emergency or panic operating means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

92+, for this type of operator of the single bolt type.