The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 1986
Filed:
Jan. 07, 1985
Applicant:
Inventor:
George S Pieczykolan, North Wales, PA (US);
Assignee:
Central Sprinkler Corp., Lansdale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
169 38 ;
Abstract
A sprinkler head has a valve member retained in a closed position by a latch. The latch is released by a temperature responsive controller in the form of a bulb of frangible material and containing a heat expansible fluid. Compressive loads on the bulb are reduced whereby the bulb may be smaller and thinner than prior bulbs.