Punch with removable blade
Patent 4494426 Issued on January 22, 1985. Estimated Expiration Date: 
May 20, 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.
May 20, 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 961653 1993041 2052657 2087186 2270639 3128663 3482478 InventorApplicationNo. 06/496614 filed on 05/20/1983US Classes:83/164, Product-diverting conduit in or from hollow tool83/165, Inclined conduit, chute or plane83/684, Punching tool83/698.91Tool is single element with continuous cutting edge (e.g., punch, etc.)ExaminersPrimary: Meister, James M.Attorney, Agent or FirmInternational ClassesB26F 1/44 (20060101)B26F 1/38 (20060101) B26D 7/18 (20060101) AbstractA punch for cutting an elongated slug from material has a removable hollow blade having first and second sides, one side shorter than the other. The blade is received in a body having upper and lower seats for receiving the first and second sides of the blade. An opening in the body allows for passage of the severed slug. | |
