Warm air mask
OwnerWalter R. Dearstineinventor
Life of this patent
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OwnerWalter R. Dearstineinventor
Estimating the term…
A warm air mask comprising a facial covering configured to form an upper edge positionable above the nose of a wearer, a lower edge positionable beneath the chin of a wearer, and side edges positionable beyond the ears of a wearer; a plurality of oval inhale ports formed in the covering and extending therethrough, each inhale port including a flap to open with the inhaling of a wearer and to close with the exhaling of a wearer. An exhale port is formed in the covering and extending therethrough, the exhale port including a flap to open with the exhaling of a wearer and to close with the inhaling of a wearer. Further, an array of electrical resistance wires for generating heat when electrically activated, the array being positioned in each inhale port with an associated electrical power source for selectively activating and inactivating the resistance wires.
A new and improved warm air mask comprising, in combination:
A warm air mask comprising, in combination:
Dependencies are inferred from the claim text.