Shielding device with inflatable frame structure
Patent 5761852 Issued on June 9, 1998. Estimated Expiration Date: 
August 2, 2016. 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.
August 2, 2016. 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 ReferencesInflatable element and system Inflatable shelter Inflatable shelter apparatus Jointing device for tents, covers etc. Inflatable shelter Inflatable lifesize toy structure with interlocking elements Inflatable structure Inflatable structure Patent #: 5570544 InventorApplicationNo. 691706 filed on 08/02/1996US Classes:52/2.18, Intersecting tubular elements form framework52/2.13, Confined tubular element exerts force52/2.22, Comprising spaced, sheetlike members and fluid chamber therebetween446/85, CONSTRUCTION TOY446/220, INFLATABLE446/478Folding or collapsibleExaminersPrimary: Hafer, Robert A.Assistant: Fossum, Laura Attorney, Agent or FirmForeign Patent References
International ClassesE04B 001/343E04B 015/20 A63H 033/08 AbstractA shielding device including an inflatable frame structure, and a covering covered over the inflatable frame structure, the inflatable frame structure including a plurality of inflatable purlins, and a plurality of inflatable rafters connected in parallel by the inflatable purlins, the inflatable purlins and the inflatable rafters having a respective air valve, each inflatable rafter having a plurality of coupling portions adapted for coupling to the inflatable purlins, each coupling portion defining a coupling hole through which one inflatable purlin is inserted. | |
