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. 17, 2004
Filed:
Jul. 09, 2002
Applicant:
Inventor:
Felix Franck, Munich, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01K 1/14 ;
U.S. Cl.
CPC ...
H01K 1/14 ;
Abstract
A luminous element ( ) for a lamp is double helix-shaped, with two connection parts ( ) situated at one end of said double helix. The diameter (D , D ) of the double helix increases consistently in the direction of the two connection parts ( ) of the luminous element ( ). The invention also relates to a lamp with a luminous element of this type, to a method for producing a luminous element of this type and to a device for carrying out the production method.