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. 27, 2008
Filed:
Jan. 30, 2006
Applicants:
Lloyd Herbert King, Jr., Chesterfield, MO (US);
Michael Belgeri, Ellisville, MO (US);
James Keeven, O'Fallon, MO (US);
Inventors:
Lloyd Herbert King, Jr., Chesterfield, MO (US);
Michael Belgeri, Ellisville, MO (US);
James Keeven, O'Fallon, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03B 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drain valve having a temperature responsive member that holds the drain valve in a water conserving mode when water is above freezing yet allows the drain valve to drain when the water is near freezing to prevent freeze damage to the irrigation system.