Implant for the jaw
Patent 4324550 Issued on April 13, 1982. Estimated Expiration Date: 
November 21, 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.
November 21, 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 2609604 Artificial tooth with implantable tooth root Dental implant having a biocompatible surface Patent #: 4185383 InventorsAssigneeApplicationNo. 06/209296 filed on 11/21/1980US Classes:433/174, By screw433/169Stress breakerExaminersPrimary: Peshock, RobertAttorney, Agent or FirmInternational ClassA61C 8/00 (20060101)Foreign Application Priority Data1979-11-21 CHAbstractAn implant for the jaw includes an implant body, to be fixed without bone cement, a bed made of plastics material and an implant support for receiving the suprastructure. In order to reduce the specific load on the bone the implant body is provided with support ribs, which have the profile of a bone screw. The bed, providing a flexible layer between the implant body and support is frusto-conical towards its lower end and is spread by the implant support, when said support is screwed in.This construction provides for secure anchorage of the implant body into the bone as well as of the bed and the implant support into the implant body. | |
