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:
Sep. 24, 1991
Filed:
Jan. 28, 1987
Applicant:
Inventor:
Emmett H Wiley, Chesterland, OH (US);
Assignee:
Venture Lighting International, Inc., Solon, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313631 ; 313621 ;
Abstract
Electrodes for a single ended arc discharge tube in which the electrodes diverging from the foil leads are generally concave towards each other between the lead-in wire ribbons and the free ends thereof from which the arc is drawn, the electrodes being spaced apart a greater distance at the point of entering the envelope than the distance between the ribbons.