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. 20, 1977
Filed:
Feb. 11, 1975
Applicant:
Inventor:
Carl G Lindgren, Pittsburgh, PA (US);
Assignee:
Koppers Company, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ; G08B / ;
U.S. Cl.
CPC ...
202239 ; 202270 ; 202262 ; 340282 ; 3318 / ;
Abstract
An alignment bar is fixed relative to each coke oven chamber and a pivotable member mounted to apparatus movable relative to the battery engages the bar of a coke oven chamber and in so doing engages electrical contactors that regulate the movement of the apparatus. The apparatus is properly spotted within a preselected tolerance when the pivotable member breaks contact.