Artificial joint
Patent 4685919 Issued on August 11, 1987. Estimated Expiration Date: 
March 14, 2006. 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.
March 14, 2006. 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 3760427 3869729 Endoprosthetic bone joint Joint prosthesis Finger joint implant Ribbed finger joint implant Metatarso-phalangeal joint implant Endoprosthetic knee joint Patent #: 4257128 InventorsAssigneeApplicationNo. 06/839575 filed on 03/14/1986US Classes:623/21.15Finger boneExaminersPrimary: Frinks, Ronald L.Attorney, Agent or FirmInternational ClassA61F 2/42 (20060101)Foreign Application Priority Data1985-03-14 JPAbstractAn artificial joint for joining two bones comprises first and second members each including a shank portion for attachment to one of the bones and a mating member adapted to contact the mating member of the other member to enable smooth rotation through a predetermined angle in only two directions. | |
