Portable life support system
Patent 5361591 Issued on November 8, 1994. Estimated Expiration Date: 
April 15, 2012. 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 15, 2012. 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 ReferencesInventorAssigneeApplicationNo. 869249 filed on 04/15/1992US Classes:62/50.4, Operates valve which controls flow of liquid62/259.3, With body applicator165/46FLEXIBLE ENVELOPE OR COVER TYPEExaminersPrimary: Capossela, Ronald C.Attorney, Agent or FirmForeign Patent References
International ClassF17C 009/04AbstractThe invention in its preferred embodiment is a portable life support system providing the wearer of a garment with temperature regulation and a breathable atmosphere using cryogenic technology. Wherein a liquid cryogen is vaporized by heat exchange with the wearers body and the vaporized cryogen is delivered to the wearer as a breathable atmosphere.Other References
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