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:
Jul. 20, 1982
Filed:
Jan. 05, 1981
Applicant:
Inventor:
Earl L May, Irwin, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
651825 ; 651821 ; 651823 ; 65346 ; 110332 ;
Abstract
A float glass forming chamber is provided with a simplified roof structure having a reduced number of vertically extending joints and openings. The roof is comprised of relatively large refractory slabs suspended from above by a hanger arrangement external to the forming chamber enclosure.