US4001894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmet
Assignee: S I D A C SA
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Filing: 1974-04-19
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Granted: 1977-01-11
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Expires: 1994-04-19
Abstract
Abstract A protective helmet, comprising, in combination, an open shell (or bell) covering the wearer's head and provided, in register with the wearer's eyes, with a transverse opening said shell being internally coated with at least one layer of appropriate thickness made of an elastic and resilient material, adapted to dampen shocks, and a hood with ears, directly fixed to the inside of the shell and adapted to be tightly wrapped over the wearer's skull, nape and temples, said hood being an extention of said shell and being provided with side straps for securing the helmet under the wearer's chin.
Inventors
- 👤 Gerard Roques-Rogery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:17
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A protective helmet, comprising, in combination, an open shell covering the wearer's head a transverse opening in said shell in register with the wearer's eyes, two layers of appropriate thickness of an elastic and resilient material secured with said shell to dampen shocks, an internal hood within said shell, a hood with ears directly fixed to the inside of the shell and tightly covering the wearer's skull, nape and temples, said hood with ears forming an extension of said shell, side straps for said hood with ears for securing the helmet under the wearer's chin, said shell and said hoods being interconnected along a substantially circular contact zone inside of said shell to said shell between said two layers, said hood comprising two thicknesses of synthetic fabric containing a layer of resilient material.
Claim 2
Dependent Claim
133 words
A protective helmet, comprising, in combination, an open shell covering the wearer's head a transverse opening in said shell in register with the wearer's eyes, two layers of appropriate thickness of an elastic and resilient material secured with said shell to dampen shocks, an internal hood within said shell, a hood with ears directly fixed to the inside of the shell and tightly covering the wearer's skull, nape and temples, said hood with ears forming an extension of said shell, side straps for said hood with ears for securing the helmet under the wearer's chin, said shell and said hoods being interconnected along a substantially circular contact zone inside of said shell to said shell between said two layers, said hood comprising two thicknesses of synthetic fabric containing a layer of resilient material.
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) | 1980-01-11 | 1980-07-12 | 1981-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-11 | 1984-07-12 | 1985-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-11 | 1988-07-12 | 1989-01-11 | $7700.00 | Window Closed / Lapsed |