Fabricated wood structural member
Patent 4195462 Issued on April 1, 1980. Estimated Expiration Date: 
April 24, 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.
April 24, 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 References 1377891 3490188 Pressed-in dovetail type joint Joining Patent #: 4042307 InventorsAssigneeApplicationNo. 05/899153 filed on 04/24/1978US Classes:52/690, Side-by-side terminus shafts; e.g., truss52/729.4, Wooden component52/730.7WoodExaminersPrimary: Friedman, Carl D.Attorney, Agent or FirmInternational ClassesE04C 3/12 (20060101)E04C 3/29 (20060101) E04C 3/14 (20060101) AbstractA particleboard web member interconnects a pair of wood chord members by means of glued tongue and groove joints to form an I-beam or roof truss. A pair of grooves in each chord member receives a pair of parallel tongues on the web member. The grooves are inclined from top to bottom to bend the tongues out of parallelism and form self-locking dovetail-type joints which hold the members together in assembled relation without the use of external clamps while the glue is setting.Field of SearchSide-by-side terminus shafts; e.g., truss | |
