US4035845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective flight helmet
Assignee: United States Department of the Air Force
•
Filing: 1976-09-16
•
Granted: 1977-07-19
•
Expires: 1996-09-16
Abstract
Abstract A helmet, for flight personnel, having a conventional custom-molded energy absorbing liner member with a penetration resistant mid-liner member covering the energy absorbing liner. A leather outer cover fits over the mid-liner member. A visor is secured to the helmet with a stretch type material. Earphone earcups are secured to the inner surface of the leather cover by means of hook and loop fasteners. An impact protection material is secured to the leather cover with hook and loop fasteners at a position corresponding to the nape area of the wearer.
Inventors
- 👤 John R. Hochwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:37
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
117 words
A helmet for flight personnel, comprising: a rigid energy absorbing liner member, adapted to conform to the head of the wearer; a penetration resistant mid-liner member covering the energy absorbing liner member; a helmet cover over said mid-liner member; said cover being made of a substantially non-stretchable flexible material; a chin strap secured to said helmet cover; a visor member; means for supporting said visor member on said helmet cover; a pair of communication earcups; means for securing said earcups to the internal surface of said helmet cover; an impact protection pad; means for securing the impact protection pad to the helmet cover at a position adapted to be placed adjacent the nape area of the wearer.
Claim 2
Dependent Claim
117 words
A helmet for flight personnel, comprising: a rigid energy absorbing liner member, adapted to conform to the head of the wearer; a penetration resistant mid-liner member covering the energy absorbing liner member; a helmet cover over said mid-liner member; said cover being made of a substantially non-stretchable flexible material; a chin strap secured to said helmet cover; a visor member; means for supporting said visor member on said helmet cover; a pair of communication earcups; means for securing said earcups to the internal surface of said helmet cover; an impact protection pad; means for securing the impact protection pad to the helmet cover at a position adapted to be placed adjacent the nape area of the wearer.
Claim 3
Dependent Claim
20 words
The device as recited in claim 1 wherein said mid-liner is made of fiberglas cloth with an epoxy resin binder.
Claim 4
Dependent Claim
15 words
The device as recited in claim 2 wherein said non-stretchable material is hair sheep leather.
Claim 5
Dependent Claim
25 words
The device as recited in claim 3 wherein said visor is supported on said helmet cover with fabric straps; said fabric straps including elastic inserts.
Claim 6
Dependent Claim
37 words
The device as recited in claim 4 wherein said helmet cover includes a visor support flap positioned to extend across the top of the visor; means for securing the top of said visor to said support flap.
Claim 7
Dependent Claim
27 words
The device as recited in claim 4 wherein said communication earcups and said impact protection pads are secured to the helmet cover with hook and loop fasteners.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |