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:
Dec. 12, 2000
Filed:
Nov. 23, 1998
Applicant:
Inventors:
Sanford F Campbell, Redding, CA (US);
Daniel D Caris, Shasta Lake City, CA (US);
Assignee:
Letro Products, Inc., Redding, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13762411 ; 251118 ; 13762414 ; 15-17 ;
Abstract
A backup valve for use with a pool cleaner coupled to a source of water under pressure, comprising: a housing having an inlet and at least one outlet; and a pressure inducing apparatus in the inlet to direct the flow of water into the housing at a greater pressure than that supplied by the water supply.