US4095290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold weather mask
Assignee: Thermo Industries Inc
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Filing: 1976-12-06
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Granted: 1978-06-20
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Expires: 1996-12-06
Abstract
Abstract A flexible face mask formed to cover the face having openings for the eyes, nose and mouth, the nose opening having a protective flap thereover. The mask body is made of a three-part laminate with an inner water-absorbent cotton, wool or man-made material, an intermediate thermal barrier of polyurethane foam and an outer reflective layer of aluminum or metalized polyethylene, vinyl or Milar film. The mask is provided with forehead and chin pockets to insure a tight fit. Openings are also provided in the mask to accommodate the templates of eye glasses or goggles.
Inventors
- 👤 Robert G. O'Brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:00
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1184
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
142 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, a nose port and a mouth port therein, only a single V-shaped notch forming a forehead pocket to assure close fitting of the top of said mask to the forehead of the wearer, only two spaced apart V-shaped notches with a rectangular insert therebetween forming a chin pocket to assure close fitting of said mask to the chin of said wearer, a nose flap connected to the outer surface of said ski mask overlying said nose port to cover the nose of the wearer, said facepiece and said nose flap constructed of a three-part laminate having a moisture absorbent innerlayer laminated to a thermal barrier having a metalized outer layer.
Claim 2
Dependent Claim
142 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, a nose port and a mouth port therein, only a single V-shaped notch forming a forehead pocket to assure close fitting of the top of said mask to the forehead of the wearer, only two spaced apart V-shaped notches with a rectangular insert therebetween forming a chin pocket to assure close fitting of said mask to the chin of said wearer, a nose flap connected to the outer surface of said ski mask overlying said nose port to cover the nose of the wearer, said facepiece and said nose flap constructed of a three-part laminate having a moisture absorbent innerlayer laminated to a thermal barrier having a metalized outer layer.
Claim 3
Dependent Claim
31 words
A cold weather face mask set forth in claim 1, wherein apertures are provided at the side of said mask near said visual port to accommodate the templates of eye glasses.
Claim 4
Dependent Claim
36 words
The cold weather face mask set forth in claim 1, and further comprising an elastic band connected near the side edges of said mask to maintain said mask in place on a face of a wearer.
Claim 5
Dependent Claim
20 words
The cold weather face mask set forth in claim 1, wherein said visual port is comprised of spaced apart openings.
Claim 6
Dependent Claim
17 words
The cold weather face mask set forth in claim 1, wherein said inner layer is cotton flannel.
Claim 7
Dependent Claim
20 words
The cold weather face mask set forth in claim 1, wherein said thermal barrier is an open cell polyurethane foam.
Claim 8
Dependent Claim
18 words
The cold weather face mask set forth in claim 1, wherein said outer layer is metalized plastic film.
Claim 9
Dependent Claim
26 words
The cold weather face mask set forth in claim 1, wherein said metalized outer layer is aluminum vacuum misted on the surface of the outer layer.
Claim 10
Dependent Claim
20 words
The cold weather face mask set forth in claim 1, wherein said facepiece is 1/32 of an inch in thickness.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |