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:
Feb. 01, 1977
Filed:
Sep. 25, 1975
Applicant:
Inventors:
Assignee:
Didier-Werke AG, Wiesbaden, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432248 ; 432217 ; 110 / ;
Abstract
A shaft casing has a funnel-shaped widened upper portion connected to a cupola casing. Between the widened portion and a refractory shaft lining is a supporting frame having a platform on which a cupola lining rests. The frame is connected to the lower end of the widened portion.
Palz, Helmut. (1977). Hot-blast stove for a blast furnace (U.S. Patent No. 4005982). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4005982
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile