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. 06, 1976
Filed:
May. 12, 1975
Applicant:
Inventor:
Frank J Lazet, Media, PA (US);
Assignee:
Philadelphia Quartz Company, Valley Forge, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09J / ;
U.S. Cl.
CPC ...
106 74 ; 423332 ;
Abstract
Fracture and stress free disks of alkali metal silicate are prepared by casting molten silicate glass in cylindrical molds with a very short vertical dimension and cooling. Said disks constitute dust free products or can be further processed into other dust free products.