Bizarre Patents
A coffin, for allowing inclination for display of a deceased person in a natural position.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 4467015 - Waterproofing structure
US Patent Issued on August 21, 1984
Estimated Patent Expiration Date:
November 2, 2001Estimated 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.
Estimated Patent Expiration Date:
November 2, 2001Estimated 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.AbstractThe present invention relates to a waterproofing structure and method, and, in particular, to a flexible water-impervious sheet material, and to a method of using same, for providing an effective barrier against water seepage. | InventorApplicationNo. 06/317059 filed on 11/02/1981US Classes:428/454, Sand, clay or mica (silica excluded)405/263, Chemical428/906, ROLL OR COIL52/169.14With waterproofing means; e.g., covering, coating, or laminaExaminersPrimary: Epstein, Henry F.Attorney, Agent or FirmUS Patent References3186896, 4048373, Water barrier panelIssued on: 09/13/1977 Inventor: Clem4103499, Method of forming a water barrier around foundations Issued on: 08/01/1978 Inventor: Clem4139588, Method of making a water barrier panel Issued on: 02/13/1979 Inventor: Clem4209565, Self-adhering stencil Issued on: 06/24/1980 Inventor: Davis , et al.4209568Bentonite-gelled oil waterproofing composition Issued on: 06/24/1980 Inventor: Clem International ClassesE04B 1/66 (20060101)E02D 31/00 (20060101) E02D 31/02 (20060101) |
