Dental technicians tool and tool retainer
Patent 4363625 Issued on December 14, 1982. Estimated Expiration Date: 
August 29, 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.
August 29, 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 1037489 3153283 3277576 3470614 3518761 Composite dowel pin for dental models Tooth die and method and apparatus for making the same Two-part dowel pin and tool therefor Patent #: 4205443 InventorApplicationNo. 06/261125 filed on 08/29/1980US Classes:433/74Dowel pin or positioner thereforExaminersPrimary: Mancene, GeneAssistant: Wilson, John J. Attorney, Agent or FirmInternational ClassA61C 9/00 (20060101)AbstractDental technician's tool and retainer combination adapted for the rapid and accurate positioning of a tooth model die repetitively on a model base support, the tool comprising an axially elongated member having an upwardly extended head portion engageable with the tooth model die, a downwardly tapered bottom portion and a downwardly diminishing intermediate portion of cusped transverse cross-section, the tool retainer comprising an apertured body having an internal wall defining a tapered bore of cusped transverse cross section adapted to cooperatively seat the elongated member against cocking and rotation, the body being adapted to repetitive insertion in and removal from the model base support, and anchor means on the body periphery adapted to block relative movement of the body and the model base support in projecting member seated relation against cocking or rotation of the tooth die in mounted position on the model base support. | |
