Connector system for geodesic dome struts
Patent 4379649 Issued on April 12, 1983. Estimated Expiration Date: 
October 1, 2001. 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.
October 1, 2001. 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 3486278 Hub for geodesic dome framework construction Equilateral derrick structure Patent #: 4122646 InventorApplicationNo. 06/307377 filed on 10/01/1981US Classes:403/172, Unilateral of plane52/81.3Frame connection detailExaminersPrimary: Kundrat, Andrew V.Attorney, Agent or FirmInternational ClassesE04B 1/19 (20060101)E04B 1/32 (20060101) AbstractA plural-single-sweptback geodesic dome connector system for joining struts to arms of the connector provides a uniform circular hub periphery permitting assembly-connection of the arms at any selected peripheral angles to the hub; hub diameter may advantageously be 1.75 times strut width to provide laterally abutting bracing of struts for six-arm uniform-arm spacing connectors. | |
