Roof structure
Patent 4741131 Issued on May 3, 1988. Estimated Expiration Date: 
November 25, 2006. 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.
November 25, 2006. 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 ReferencesInventorApplicationNo. 06/934645 filed on 11/25/1986US Classes:52/15, Inwardly of edge52/11, COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY52/309.9, Nonporous exterior faces52/518, LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE52/560, Tapered52/57, ROOF FINIAL OR CRESTING52/92.1, Rafter tie-in at horizontal-type support (e.g., wall plate)52/94GABLE OR EAVE TERMINAL CONSTRUCTIONExaminersPrimary: Murtagh, John E.International ClassesE04D 1/28 (20060101)E04D 13/10 (20060101) E04D 13/04 (20060101) E04D 3/35 (20060101) AbstractStructure for use on a roof consisting of a plurality of standard elements in the general form of planks that lock together which are formed with a dense outer impermeable skin and a lightweight insulating interior.Field of SearchNonporous exterior facesFacing simulating plural elements Metal face end covering Tie between exterior faces Foam Tapered LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE COVER WITH SURFACE WATER RECEIVER AT EAVE OR VALLEY Inwardly of edge ROOF FINIAL OR CRESTING GABLE OR EAVE TERMINAL CONSTRUCTION | |
