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:
Sep. 08, 1981
Filed:
Aug. 15, 1979
Applicant:
Inventors:
David C Tigwell, Urbana, IL (US);
David J Schaeffer, Chatham, IL (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ;
U.S. Cl.
CPC ...
417517 ; 7386417 ;
Abstract
A water sampler for delivering simultaneous multiple samples in which the samples are taken and discharged by a plurality of glass chambered syringes driven by a crank with water flow being controlled by a glass chambered valve having a valve spool shifted under the control of the crank.