Roof panel construction and method of making same
Patent 6141917 Issued on November 7, 2000. Estimated Expiration Date: 
January 22, 2018. 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.
January 22, 2018. 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 Re14449 1096218 1178673 1410945 Ice breaker and retainer Roofing snow panel and method of constructing same Tire slip preventing construction formed on floor plate Snow guard Patent #: 5901507 InventorApplicationNo. 010628 filed on 01/22/1998US Classes:52/24, COVER WITH PROJECTING RESTRAINER; E.G., SNOW STOP52/630IMPERFORATE PANEL WITH INTEGRAL REINFORCINGExaminersPrimary: Kent, Christopher T.Assistant: Thissell, Jennifer I. Attorney, Agent or FirmInternational ClassE04D 013/10AbstractA roof panel construction includes a plurality of integral snow and ice gripping projections to help retain accumulated ice thereon and to guide the drainage of melted snow and ice therefrom during snow and ice melting ambient conditions. The projections are each convex in configuration to grip the frozen snow and ice and yet permit efficient drainage of the melted snow and ice thereover and therearound.Field of SearchCOVER WITH PROJECTING RESTRAINER; E.G., SNOW STOPRod-type with plural supports Restrainer having integral penetrator Face-to-face tongue and groove; e.g., dado Meshing corrugated sheet type Interfitted sections Folded, rolled, or indented in situ IMPERFORATE PANEL WITH INTEGRAL REINFORCING With spacing or space-forming feature With pattern-forming feature | |
