Inflatable tent construction
Patent 5893238 Issued on April 13, 1999. Estimated Expiration Date: 
April 9, 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.
April 9, 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 3540170 3840919 Lightweight and compactible tent structure Inflatable frame for tent Amphibious safe tent Tent with inflatable tube erector Inflatable tent Inflatable shelter apparatus Inflatable shelter Self-inflating tents Patent #: 5487400 InventorsApplicationNo. 057888 filed on 04/09/1998US Classes:52/2.18, Intersecting tubular elements form framework52/2.19, Supported on rigid-walled structure52/2.24, Sheetlike member comprising plural, edge-joined sections135/87, PORTABLE SHELTER (I.E., TENT OR CANOPY)135/125, Flexible structure135/137Having floor or base memberExaminersPrimary: Friedman, Carl D.Assistant: Glessner, Brian E. Attorney, Agent or FirmInternational ClassesE04G 011/04E04H 015/00 AbstractAn inflatable tent construction 10 including an upper wall unit 12 and a lower wall unit 13 having a plurality of vertically aligned inflatable tubular chambers 33 and 40 wherein the lower wall unit 12 is operatively connected to a floor unit 11 and provided with a plurality of tent opening units 14. A plurality of inflatable circular rings 20, 32 and 33 encircle the periphery of the floor unit 11, the lower wall unit 13, and the upper wall unit 12, respectively. | |
