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:
Nov. 01, 1988
Filed:
Jun. 12, 1987
Applicant:
Inventors:
Kenneth L Lawson, Ontario, CA (US);
Enric C Mendoza, Walnut, CA (US);
Edward M Troup, deceased, late of Mount Baldy, CA (US);
Assignee:
Anthony Manufacturing Corporation, , CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ; B05B / ;
U.S. Cl.
CPC ...
239203 ; 239205 ; 239206 ; 2392883 ; 2392885 ;
Abstract
A pop-up guard or shield for use with a pop-up sprinkler mounted in a casing buried in the ground to protect against the entry of dirt, sand, weeds, and the like into the casing during sprinkler operation. The guard includes a spring biased sleeve which pops up together with the sprinkler during sprinkler extension to the operative position, and is retracted into the casing during movement of the sprinkler to the inoperative position.