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:
Apr. 08, 1980
Filed:
Aug. 11, 1978
Applicant:
Inventors:
Patrick C Quigley, San Jose, CA (US);
Timothy C Quigley, Grizzly Flats, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
1375278 ; 128222 ; 239 33 ; 248 79 ;
Abstract
Invalids have difficulty sipping water from pitchers and glasses through ordinary straws because of the effort required to lift water through a straw or tube and the fact that upon cessation of sucking the water in the tube runs back into the pitcher or glass. A flap-type check valve is placed in the lower end of the tube. Little effort is required to open the valve. The weight of the water maintains it closed.