US PATENT SUBCLASS 379 / 43
.~.~ Fire

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

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

37  DF  EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) {9}
39  DF  .~ Responsive to sensed nonsystem condition {5}
43.~.~ Fire

DEFINITION

Classification: 379/43

Fire:

(under subclass 39) Subject matter wherein the detected condition is flame, heat or smoke.