Flashlight
Patent 5593222 Issued on January 14, 1997. Estimated Expiration Date: 
June 7, 2015. 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.
June 7, 2015. 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 1568093 1599095 2272907 Flashlight Rechargeable battery Reverse polarity protection assembly Bipolar battery electrode Discriminating charger and compatible battery Patent #: 5443924 InventorApplicationNo. 472528 filed on 06/07/1995US Classes:362/157, SELF POWERED LAMP362/187, With movable focusing element362/197, Lamp bulb or lamp support axis adjustable or angularly fixed relative to axis of flashlight casing362/202, Cylindrical flashlight casing362/203Bulb or battery physically moved to join mating contacts of each otherExaminersPrimary: Letscher, GeraldineAttorney, Agent or FirmInternational ClassF21L 007/00AbstractA device for a battery with a spacer preventing direct physical contact between first and second batteries arranged in physical series. A resilient conductor providing an electroconductive contact between a center electrode of the first battery and a terminal electrode of the second battery is held by the spacer. | |
