Composite materials
Patent 4079165 Issued on March 14, 1978. Estimated Expiration Date: 
March 14, 1995. 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, 1995. 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. 05/595692 filed on 07/14/1975US Classes:428/366, Including boron or compound thereof (not as steel)14/22, Cables and cable clamps428/34.5, Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound (e.g., fiber glass, mineral fiber, sand, etc.)428/35.8, Elemental metal containing (e.g., substrate, foil, film, coating, etc.)428/36.4, Randomly noninterengaged or randomly contacting fibers, filaments, particles, or flakes428/367, Including free carbon or carbide or therewith (not as steel)428/368, In coating or impregnation428/371, Helical or coiled428/375, Coated or with bond, impregnation or core428/376, Discontinuous or tubular or cellular core428/377, Wound or wrapped core or coating (i.e., spiral or helical)428/379, Including metal or compound thereof (excluding glass, ceramic and asbestos)428/394, Synthetic resin or polymer428/395, Polyamide, polyimide or polyester428/398, Tubular or cellular52/724.1, Having feature resisting transverse loading (e.g., beam)52/737.4, Having shell-like outer layer52/740.9, Axially twisted57/200STRAND STRUCTUREExaminersPrimary: Cannon, J.C.Attorney, Agent or FirmForeign Application Priority Data1969-09-06 UKAbstractA composite article comprising at least two load-bearing members one within the other and having mutually contacting surfaces adapted to generate a restraining force resisting relative axial movement of the members, wherein the members are constructed such that a local reduction in said restraining force takes place as the local tensile stress in the article increases. | |
