Circular saw blade
Patent 4848205 Issued on July 18, 1989. Estimated Expiration Date: 
December 10, 2007. 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.
December 10, 2007. 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 151371 192090 2565814 2972364 3788182 InventorsAssigneeApplicationNo. 07/132787 filed on 12/10/1987US Classes:83/853, Teeth having transversely curved cutting edge83/835, Toothed blade or tooth therefor83/839Tooth separable from bladeExaminersPrimary: Yost, Frank T.Assistant: Rada, Rinaldi I. Attorney, Agent or FirmInternational ClassesB23D 61/04 (20060101)B23D 61/00 (20060101) B23D 61/02 (20060101) Foreign Application Priority Data1987-01-12 JPAbstractA circular saw blade which comprises a circular main body, and a plurality of circumferentially spaced cutter tips secured to said main body, each of the cutter tips having a front surface whose width is gradually symmetrically increased from the bottom portion toward the top portion thereof and whose top edge providing a cutting edge of the cutter tip arcs with the center of curvature being located on the center line of the symmetry. | |
