Appeal No. 1998-1315 Application No. 08/334,751 for heat absorption. The mask has an exhalation valve (26) for expelling expired air. A hood (36) is attached to the mask which can be deployed by pulling deployment straps (48) and made to fit over the head, neck and shoulder of the user. The mask also has a means (23) for retaining the mask tightly on the user’s mouth and nose. The device can be used alone or used in connection with a breathable oxygen source (120) and is made to be stored in a standard overhead oxygen mask aircraft compartment (122) during non-emergency situations. Claim 1 is representative of the subject matter before us on appeal and a copy of that claim is attached to this decision. The prior art references of record relied upon the examiner as evidence of obviousness are: McGoff et al(McGoff) 5,038,768 Aug. 13, 1991 Brookman 5,115,804 May. 26, 1992 Claims 1, 2, 4 through 9, 11 through 13 and 15 through 18 stand rejected under 35 U.S.C. § 112, first paragraph, as containing subject matter which was not described in the specification in such a way as to convey to one skilled in the 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007