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:
May. 29, 1979
Filed:
May. 24, 1978
Applicant:
Inventors:
Robert E Cassidy, Seabrook, NH (US);
Frank M Latassa, Magnolia, MA (US);
Tadius T Sadoski, Salem, MA (US);
Assignee:
GTE Sylvania Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315106 ; 313285 ; 315 73 ; 315107 ;
Abstract
A rapid start fluorescent lamp contains a circuit opening device on the cathode mount which opens a short time after lamp starting and stops heater current flow to the cathode. The circuit opening device is a thermostatic element in a sealed glass tube. Additional support is provided for the cathode end that is connected to the circuit opening device in order to prevent damage from vibration.