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:
May. 01, 1990
Filed:
May. 22, 1989
Applicant:
Inventor:
Stephen D Pittsinger, Plano, TX (US);
Assignee:
Tri-Phase, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 782 ; 13762412 ; 239 70 ; 307112 ; 361178 ;
Abstract
There is provided a method and an apparatus for adapting a conventional freeze and rain sensors to be used with a water irrigation system in which a water valve is retracted by a latching solenoid.