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. 17, 1984
Filed:
Nov. 21, 1983
Applicant:
Inventor:
Samuel Pearlman, Manheim Township, Lancaster County, PA (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B44C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
427 64 ; 65 31 ; 156645 ; 156663 ; 252 793 ; 252 794 ; 427309 ;
Abstract
The novel method comprises impacting an aqueous slurry of solid particles on the surface of a glass viewing window in such manner as to stress the glass in the impacted area of the window without substantial erosion, abrasion or etching of the impacted surface, and then etching the impacted surface with an aqueous fluoride etchant.