Metal golf driver and method of making same
Patent 4214754 Issued on July 29, 1980. Estimated Expiration Date: 
January 25, 1998. 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.
January 25, 1998. 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 ReferencesInventorAssigneeApplicationNo. 05/872092 filed on 01/25/1978US Classes:473/346With internal support rib or injected materialExaminersPrimary: Apley, Richard J.Attorney, Agent or FirmInternational ClassA63B 53/04 (20060101)AbstractAn all metal hollow golf driver is formed by casting a first main part from metal, e.g., stainless steel, in the shape of practically a complete golf driver, except for an opening in one side of the driver body, e.g, the sole side. A second cast part fits within the opening and is weldable thereto to form a complete integral hollow metal golf driver. The weight (mass) of the driver is distributed in order to reduce its torque and/or deflection.Other References
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