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:
Aug. 22, 1989
Filed:
Aug. 11, 1988
Applicant:
Inventor:
John R Hale, Lancaster, PA (US);
Assignee:
Thomson Consumer Electronics, Inc., Indianapolis, IN (US);
Primary Examiner:
Int. Cl.
CPC ...
C03B / ; C03C / ;
U.S. Cl.
CPC ...
65139 ; 65 5925 ; 65 5927 ; 65 5928 ; 65 597 ; 65140 ;
Abstract
An apparatus for manufacturing a glass stem for an electron tube comprises a first (upper) stem mold assembly and an improved second (lower) stem mold assembly. The improved second stem mold assembly includes a universal second (lower) stem mold having a plurality of lead-in conductor receiving openings formed therethrough. At least one removable stem mold plug is disposed and retained within one of the openings.