Compatible smoke and oxygen masks for use on aircraft

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4559939
SERIAL NO

06579238

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention is a smoke mask and oxygen mask combination that can be coupled together so that protection from toxic fumes and supplemental oxygen gas can be provided to the passenger during a concurrent fire and decompression aboard an aircraft. A protrusion 70' of a smoke mask 26' is provided with a flat surface 230 which is adapted to mate with an internal flat surface 234 of an oxygen mask 200' providing alignment of an oxygen inlet valve 210, vent valve 206 and cabin air inlet valve 208 on the oxygen mask with an inlet valve 170 vent valve 74 and plug, respectively, on the protrusion 70'. In addition, a resilient locking element 236 on the oxygen mask 200' engages a groove 232 on the protrusion 70' when the oxygen mask 200' is installed releasably securing the oxygen mask to the protrusion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
LOCKHEED CORPORATIONBURBANK LOS ANGELES CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hale, Thomas K Glendale, CA 6 196
Kavaloski, Peter P Los Angeles, CA 4 161
Levine, Harold H Northridge, CA 6 191

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