Firearm safety lock
Patent 4457091 Issued on July 3, 1984. Estimated Expiration Date: 
April 14, 2002. 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.
April 14, 2002. 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 1484671 3735519 3831065 Individual safety firing button for guns Patent #: 4302898 InventorApplicationNo. 06/368377 filed on 04/14/1982US Classes:42/70.11, Firearm lock42/70.01SAFETY MECHANISMExaminersPrimary: Jordan, Charles T.Attorney, Agent or FirmInternational ClassesF41A 17/00 (20060101)F41A 17/04 (20060101) AbstractA firearm combination safety lock is disclosed. The safety lock includes a plurality of independently actuatable members, which in the preferred embodiment, are four push button switches connected to an electronic circuit. The electronic circuit compares the sequence in which the buttons are pushed and will operate an interlock means when the sequence matches a predetermined sequence. The push buttons are preferably provided in the finger grip of the handle of the firearm. | |
