Bolt-light bulb combination
Patent 4523259 Issued on June 11, 1985. Estimated Expiration Date: 
December 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1342777 1468415 2414446 2708712 3511982 3531634 3868630 Illuminated wrench Method and device for using mass-produced light-emitting diodes at a predetermined luminance Decorative lighting string for assembly with overcurrent protection Patent #: 4425605 InventorsApplicationNo. 06/565163 filed on 12/23/1983US Classes:362/120, Elongate type362/253, COMBINED362/806, ORNAMENTAL OR DECORATIVE411/383MultipartExaminersPrimary: Nelson, Peter A.Attorney, Agent or FirmInternational ClassesF16B 35/04 (20060101)F16B 35/06 (20060101) G09F 13/00 (20060101) G09F 13/02 (20060101) B60Q 1/56 (20060101) B60Q 1/26 (20060101) B60R 13/10 (20060101) B60R 13/00 (20060101) F21S 8/00 (20060101) AbstractThis invention is an improved bolt containing a light bulb. It comprises a threaded shank having a head at one end. The shank is formed with a longitudinal passageway therethrough. The head of the bolt is also provided with a passageway extending from a side thereof to the longitudinal passageway. A light bulb is inserted in the longitudinal passageway and positioned at the one end thereof to emit light through the passageway provided in the head. Wire leads connecting the light bulb to supply the electric energy thereto extend from the other end of the longitudinal passageway. | |
