Toy firearm for firing projectiles by compressed air, with the piston of the cylinder-piston system attached to the hammer of the firearm
Patent 4841655 Issued on June 27, 1989. Estimated Expiration Date: 
June 6, 2008. 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 6, 2008. 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 2237678 2708430 2922412 InventorApplicationNo. 07/202880 filed on 06/06/1988US Classes:42/58, Revolvers124/66By spring-driven plungerExaminersPrimary: Kyle, Deborah L.Assistant: Carone, Michael J. Attorney, Agent or FirmInternational ClassesF41B 11/02 (20060101)F41B 11/14 (20060101) F41B 11/00 (20060101) Foreign Application Priority Data1987-06-11 ITAbstractA device in the form of a hammer or firing-pin, movable angularly, with an arched attachment forming a piston, the cylinder being extended like an arched recess with its axis almost coinciding with that of the articulated joint of the hammer, and with the spring for acting on the piston acting on the said device by urging it angularly.Field of SearchTOY | |
