Reversing ratcheting wrench
Patent 4308769 Issued on January 5, 1982. Estimated Expiration Date: 
June 2, 2000. 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 2, 2000. 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 2758569 3867855 Reversible ratchet wrench Patent #: 4254675 InventorAssigneeApplicationNo. 06/155524 filed on 06/02/1980US Classes:81/63SingleExaminersPrimary: Jones, James L. Jr.Attorney, Agent or FirmInternational ClassesB25B 13/46 (20060101)B25B 13/00 (20060101) AbstractA reversing ratchet wrench employing spring biased linkage connecting a pivotally mounted pawl to a finger operated reciprocally worked finger piece mounted in the end of the wrench body opposite the ratcheting mechanism wherein the change of direction of the wrench action is accomplished by depressing a finger piece or by releasing the finger piece. | |
