Magnetic loops closure elements for electric motor
Patent 4051401 Issued on September 27, 1977. Estimated Expiration Date: 
September 27, 1994. 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.
September 27, 1994. 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 References3814963 InventorApplicationNo. 05/691288 filed on 06/01/1976US Classes:310/216, Core features310/166, Induction310/254, Stator structure310/257Interfitting or claw-tooth statorsExaminersPrimary: Duggan, Donovan F.Attorney, Agent or FirmForeign Application Priority Data1975-06-02 UKAbstractA spherical air gap motor wherein the magnetic ring closing the stator magnetic loop has a non-cylindrical shape. | |
