Demountable frames
Patent 4677804 Issued on July 7, 1987. Estimated Expiration Date: 
August 27, 2004. 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.
August 27, 2004. 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 1554224 2053462 2242427 Building kit for the production of three-dimensional frameworks Connector assembly Construction of metal articles Patent #: 4235559 InventorApplicationNo. 06/644396 filed on 08/27/1984US Classes:52/653.2, Having tubular member403/171, Polyhedral52/646Three-dimensional space-definingExaminersPrimary: Pate, III, William F.Assistant: Chilcot, R. Attorney, Agent or FirmInternational ClassesE04B 1/343 (20060101)F16B 12/00 (20060101) F16B 7/18 (20060101) H02B 1/01 (20060101) E04B 1/19 (20060101) F16B 12/30 (20060101) H02B 1/00 (20060101) Foreign Application Priority Data1983-08-26 GBAbstractA demountable frame, for example for furniture, storage or display systems or for space frame construction, in which a structural member extending between two fixed spaced members can be fitted in place by the extension of projections at the ends of the structural member into the spaced members without moving the latter apart, and can be removed by reversing the process.Field of SearchThree-dimensional space-defining | |
