US3768100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold weather face mask
Assignee: United States Department of the Army
•
Filing: 1972-05-23
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Granted: 1973-10-30
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Expires: 1992-05-23
Abstract
Abstract Cold weather mask for protection of faces against low temperatures and high wind velocities while providing for easy access to the mouth and nose. A wide range of adjustability to fit faces of varying sizes and shapes is produced by an adjustable chin pocket comprising the lower portion of a facepiece element of the face mask and a flexible, adjustable retention harness for maintaining the facepiece in position in close-fitting relation to the face of the wearer.
Inventors
- 👤 R Colman
- 👤 D Mangelsdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:05
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1184; A41D13/1161; A41D2300/00; A41D2300/30; A41D2300/32; Y; Y10; Y10S; Y10S2/00; Y10S2/908; Y10S2/909
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
199 words
A cold weather face mask comprising a flexible, thermally insulating facepiece adapted to cover and closely engage the face of the wearer of said face mask, said facepiece having a visual port and an oronasal port therein, means for forming a chin pocket of adjustable size, said chin pocket-forming means comprising a trifurcated lower portion of said facepiece, the middle fork of said trifurcated lower portion being adapted to fold over the front and underneath portions of the chin of said wearer, the two outer forks of said trifurcated lower portion being adapted to fold over said middle fork after it is folded and to be attached to each other in an adjustable overlapping relationship, a detachable air permeable oronasal barrier adapted to cover said oronasal port, and a flexible, adjustable retention harness for maintaining said facepiece in position over the face of the wearer, said chin pocket-forming means and said retention harness cooperating to provide close fitting of said face mask on a wide range of face sizes and shapes while maintaining said visual port in register with the eyes of said wearer and said oronasal port in register with the mouth and nasal apertures of said wearer.
Claim 2
Dependent Claim
199 words
A cold weather face mask comprising a flexible, thermally insulating facepiece adapted to cover and closely engage the face of the wearer of said face mask, said facepiece having a visual port and an oronasal port therein, means for forming a chin pocket of adjustable size, said chin pocket-forming means comprising a trifurcated lower portion of said facepiece, the middle fork of said trifurcated lower portion being adapted to fold over the front and underneath portions of the chin of said wearer, the two outer forks of said trifurcated lower portion being adapted to fold over said middle fork after it is folded and to be attached to each other in an adjustable overlapping relationship, a detachable air permeable oronasal barrier adapted to cover said oronasal port, and a flexible, adjustable retention harness for maintaining said facepiece in position over the face of the wearer, said chin pocket-forming means and said retention harness cooperating to provide close fitting of said face mask on a wide range of face sizes and shapes while maintaining said visual port in register with the eyes of said wearer and said oronasal port in register with the mouth and nasal apertures of said wearer.
Claim 3
Dependent Claim
88 words
A cold weather face mask in accordance with claim 1, wherein said face mask is provided with a malleable nose bridge stiffener in thin sheet form sandwiched between flexible padding and the inner surface of said facepiece and extending horizontally under said visual port, said stiffener being adapted for hand-molding the nose bridge portion of said facepiece to fit closely to the nose bridge and adjacent cheek portions of the face of said wearer, whereby moist, warm, exhaled air is prevented from penetrating upwardly to said visual port.
Claim 4
Dependent Claim
99 words
A cold weather face mask in accordance with claim 1, wherein one of said outer forks of said trifurcated lower portion of said facepiece comprises a fabric hook fastener tape attached to one surface thereof and the other of said outer forks of said trifurcated lower portion of said facepiece comprises a fabric pile fastener tape attached to one surface thereof, said fabric hook fastener tape contacting and cooperating with said fabric pile fastener tape to make said outer forks adjustably attachable to each other, whereby said chin pocket-forming means and said face mask are made adjustable in size.
Claim 5
Dependent Claim
83 words
A cold weather face mask in accordance with claim 1, wherein said facepiece comprises a stretchable knit fabric inner layer which has high moisture regain properties and is comfortable when in contact with the face of the wearer, a stretchable knit fabric outer layer which has low moisture regain properties, and an open cell type polyurethane foam interlayer having sufficient thickness to thermally insulate the face of the wearer against extremely cold climates, said inner and outer layers being bonded to said interlayer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |