Self-inflating tents
Patent 5487400 Issued on January 30, 1996. Estimated Expiration Date: 
March 14, 2014. 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.
March 14, 2014. 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 2830606 Inflatable enclosure Inflatable collapsible tent Isolation module Inflatable tent Inflatable tent Inflatable tent Inflatable tent Convertible, inflatable shelter apparatus Inflatable tent InventorApplicationNo. 212050 filed on 03/14/1994US Classes:135/87, PORTABLE SHELTER (I.E., TENT OR CANOPY)52/2.11, SHAPED OR STRENGTHENED BY FLUID PRESSURE52/2.22, Comprising spaced, sheetlike members and fluid chamber therebetween135/97, Plural shelters, shelter having plural compartments, or plural sectional covering135/124, Arch-shaped or dome type135/128CollapsibleExaminersPrimary: Wood, Wynn E.Foreign Patent References
International ClassE04B 001/34AbstractA self-inflating tent comprising a mattress formed of a sheet in a planar configuration; a raised shaped tent having a lower peripheral edge secured to the mattress adjacent to its periphery but inboard thereof to provide a flange at the outer most periphery to constitute a ground rim; the material of the tent and mattress being fabricated of an open cell polyurethane, each with an exterior and interior liner of an air impervious flexible plastic; a first valve coupled to the tent to allow the flow of air into the tent material and to allow exiting of air therefrom when the tent material is compressed when the valve is opened; and a second valve coupled to the mattress to allow the flow of air into the mattress material and to allow exiting of air therefrom when the mattress material is compressed and the valve is opened.Field of SearchSHAPED OR STRENGTHENED BY FLUID PRESSUREIncluding ingress/egress provision Supported on rigid-walled structure Comprising spaced, sheetlike members and fluid chamber therebetween Cover for shelter Cover fastening SEPARATE STORAGE MEANS OR HOUSING FOR SHELTER METHOD OF ERECTING SHELTER ARCHED STRUCTURE SUPER TENT OR CANOPY Plural shelters, shelter having plural compartments, or plural sectional covering PORTABLE SHELTER (I.E., TENT OR CANOPY) Collapsible Collapsible as a unit Floor or base structure Arch-shaped or dome type | |
