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:
Jan. 21, 1986
Filed:
Nov. 02, 1984
Applicant:
Inventors:
William J Cardin, Merrimack, NH (US);
Michael Gulla, Sherborn, MA (US);
Charles L Newton, Clearwater, FL (US);
Assignee:
Shiplay Company Inc., Newton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
106-122 ; 106-123 ; 106-125 ; 106-126 ; 4274431 ;
Abstract
A controller for measuring the concentration of consumable ingredients in a plating solution characterized by the use of a plating poison introduced into the analysate stream to prevent autocatalytic decomposition and deposition of copper onto the walls and sensors of the controller.