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:
Jun. 07, 1977
Filed:
Apr. 12, 1976
Applicant:
Inventors:
Keith G Edstrom, Park Ridge, IL (US);
Gene K Edstrom, Arlington Heights, IL (US);
Assignee:
Chicago Commutator, Inc., Wheeling, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B67d / ;
U.S. Cl.
CPC ...
222135 ; 222309 ;
Abstract
A colorant dispenser for the custom blending of paint has a canister with two measuring piston pumps of different capacities, all mounted on a base; and a single barrel valve in the base controls the flow of colorant to and from both pumps and the discharge of colorant from both pumps through a single exit port.