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:
Dec. 06, 2011
Filed:
Sep. 11, 2009
Kenji Tanino, Himeji, JP;
Yoichi Mizukawa, Himeji, JP;
Kenji Tanino, Himeji, JP;
Yoichi Mizukawa, Himeji, JP;
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide the structure of a filament lamp having a plurality of independent power supply pathways, the structure being capable of preventing the power supply pathways from electrically shorting to each other, a filament lamp formed of a straight-tube shaped luminous part having multiple filaments (F, F, F) divided in the axial direction, and sealing parts () on each of opposite ends of the luminous part () in which are embedded metal foils () corresponding to the number of filaments in an aligned manner, and leads for supplying electricity independently to each filament, the luminous part () having a first housing space () for housing the filaments and a second housing space () for housing the leads (), the housing spaces be connected and extending in the axial direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile