Patent US4975980A successfully refreshed from Google Patents.
US4975980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmet for firefighters
Assignee: Individual
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Filing: 1989-05-19
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Granted: 1990-12-11
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Expires: 2009-05-19
Abstract
Abstract A fire helmet comprised of a helmet shell adapted to receive the head of a wearer and fit over the crown of the head of the wearer, a radially, inwardly-spaced liner attached to the inside of said helmet shell, a headband attached to said liner, fire-resistant ear flaps secured to said liner, and a fire-resistant, disengagable hood permently secured to said headband.
Inventors
- 👤 Stephen R. Ersteniuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:14
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/105; A62; A62B; A62B17/00; A62B17/04; A62B18/00; A62B18/04
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
254 words
A fire helmet comprised of a helmet shell adapted to receive the head of a wearer and fit over the crown of the head of the wearer, a radially, inwardly-spaced liner attached to the inside of said helmet shell, a headband attached to said liner, fire-resistant ear flaps secured to said liner, and a fire-resistant hood permanently secured to said headband, wherein: (a) said hood consists essentially of a textile material consisting of fiber selected from the group consisting of man-made fiber, natural fiber, and mixtures thereof; (b) said headband consists of flame-retardant fabric; (c) said ear flaps are attached to said liner so that they extend downwardly therefrom sufficiently below the head portion of said helmet to cover the ears and at least a portion of the neck of said wearer; (d) said hood is comprised of a fire-resistant head portion adapted to cover the crown, forehead, and the ears of the wearer, a fire resistant lower marginal portion extending sufficiently below said head portion to cover the lower neck of the wearer, and at least two fire resistant flaps permanently attached to said head portion and said lower margin portion at one end of said flaps, wherein said flaps extend sufficiently below said head portion to cover the chin and the neck of the firefighter; and (e) each of said two fire resistant flaps of said hood contains non-metallic and fire-resistant means for adjustably and releasably fastening a portion of one of said flaps to a portion of another of said flaps.
Claim 2
Dependent Claim
254 words
A fire helmet comprised of a helmet shell adapted to receive the head of a wearer and fit over the crown of the head of the wearer, a radially, inwardly-spaced liner attached to the inside of said helmet shell, a headband attached to said liner, fire-resistant ear flaps secured to said liner, and a fire-resistant hood permanently secured to said headband, wherein: (a) said hood consists essentially of a textile material consisting of fiber selected from the group consisting of man-made fiber, natural fiber, and mixtures thereof; (b) said headband consists of flame-retardant fabric; (c) said ear flaps are attached to said liner so that they extend downwardly therefrom sufficiently below the head portion of said helmet to cover the ears and at least a portion of the neck of said wearer; (d) said hood is comprised of a fire-resistant head portion adapted to cover the crown, forehead, and the ears of the wearer, a fire resistant lower marginal portion extending sufficiently below said head portion to cover the lower neck of the wearer, and at least two fire resistant flaps permanently attached to said head portion and said lower margin portion at one end of said flaps, wherein said flaps extend sufficiently below said head portion to cover the chin and the neck of the firefighter; and (e) each of said two fire resistant flaps of said hood contains non-metallic and fire-resistant means for adjustably and releasably fastening a portion of one of said flaps to a portion of another of said flaps.
Claim 3
Dependent Claim
32 words
The fire helmet as recited in claim 1, wherein said helmet shell consists essentially of a material selected from the group consisting of fiberglass, phenolic resin, leather, polycarbonate resin, and mixtures thereof.
Claim 4
Dependent Claim
17 words
The fire helmet as recited in claim 2, wherein said helmet shell consists essentially of polycarbonate resin.
Claim 5
Dependent Claim
24 words
The fire helmet as recited in claim 3, wherein said polycarbonate resin is a thermoplastic carbonate-linked polymer produced by reacting bisphenol A with phosgene.
Claim 6
Dependent Claim
16 words
The fire helmet as recited in claim 2, wherein said helmet shell consists essentially of plastic.
Claim 7
Dependent Claim
16 words
The fire helmet as recited in claim 2, wherein said helmet shell consists essentially of fiberglass.
Claim 8
Dependent Claim
17 words
The fire helmet as recited in claim 2, wherein said helmet shell consists essentially of phenolic resin.
Claim 9
Dependent Claim
26 words
The fire helmet as recited in claim 2, wherein said inwardly-spaced liner is attached to the inside of said helmet shell by tongue and groove snaps.
Claim 10
Dependent Claim
17 words
The fire helmet as recited in claim 2, wherein said headband is comprised of a cushion portion.
Claim 11
Dependent Claim
16 words
The fire helmet as recited in claim 2, wherein said liner is a urethane impact liner.
Claim 12
Dependent Claim
16 words
The fire helmet as recited in claim 2, wherein said liner is an adjustable cushion liner.
Claim 13
Dependent Claim
17 words
The fire helmet as recited in claim 2, wherein said headband is permanently attached to said liner.
Claim 14
Dependent Claim
17 words
The fire helmet as recited in claim 12, wherein said disengagable hood is sewed to said headband.
Claim 15
Dependent Claim
17 words
The fire helmet as recited in claim 13, wherein said helmet shell consists essentially of polycarbonate resin.
Claim 16
Dependent Claim
24 words
The fire helmet as recited in claim 14, wherein said polycarbonate resin is a thermoplastic carbonate-linked polymer produced by reacting bisphenol A with phosgene.
Claim 17
Dependent Claim
26 words
The fire helmet as recited in claim 14, wherein said inwardly-spaced liner is attached to the inside of said helmet shell by tongue and groove snaps.
Claim 18
Dependent Claim
25 words
The fire helmet as recited in claim 16, wherein said non-metallic and fire resistant means consist essentially of synthetic materials which adhere when pressed together.
Claim 19
Dependent Claim
14 words
The fire helmet as recited in claim 17, wherein said helmet comprises a sweatband.
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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) | 1993-12-10 | 1994-06-11 | 1994-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-10 | 1998-06-11 | 1998-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-10 | 2002-06-11 | 2002-12-11 | $7700.00 | Window Closed / Lapsed |