Patent US556985A successfully refreshed from Google Patents.
Patent US4223409A successfully refreshed from Google Patents.
US4223409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helmet provided with shockproof and ventilative device
Assignee: Individual
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Filing: 1979-04-30
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Granted: 1980-09-23
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Expires: 1999-04-30
Abstract
Abstract This invention relates to a helmet provided with shockproof and ventilative devices, the helmet being encircled with a plurality of plastic strips along its outer wall, and a plurality of corresponding plastic or rubber tubes along its inner wall, the upper portion of the helmet being filled with sponge material, thereby to give a wearer protection against shock.
Inventors
- 👤 Pei-Hwang Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:10
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/28; A42B3/06; A42B3/062; A42B3/065; A42B3/069
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
155 words
A protective helmet for protecting the head of a user against shock, and having improved ventilating qualities, said helmet comprising: a helmet body; a plurality of spaced elongated plastic strips positioned along the outer surface of said helmet body, said strips being spaced from each other and from said outer surface; a pair of strip-mounting pads associated with each said strip for securing the two ends of each said strip to said outer surface in spaced relation thereto; a sponge-like member filling the upper portion of said inner surface, said sponge member having a plastic sheet covering its lower surface and a spaced layer of netting-cloth covering said plastic sheet; and a plurality of spaced elongated plastic or rubber tubes mounted along the lower portion of said inner surface of said helmet body, said tubes being spaced from each other, at least the central portion of each said tube being spaced from said inner surface.
Claim 2
Dependent Claim
155 words
A protective helmet for protecting the head of a user against shock, and having improved ventilating qualities, said helmet comprising: a helmet body; a plurality of spaced elongated plastic strips positioned along the outer surface of said helmet body, said strips being spaced from each other and from said outer surface; a pair of strip-mounting pads associated with each said strip for securing the two ends of each said strip to said outer surface in spaced relation thereto; a sponge-like member filling the upper portion of said inner surface, said sponge member having a plastic sheet covering its lower surface and a spaced layer of netting-cloth covering said plastic sheet; and a plurality of spaced elongated plastic or rubber tubes mounted along the lower portion of said inner surface of said helmet body, said tubes being spaced from each other, at least the central portion of each said tube being spaced from said inner surface.
Claim 3
Dependent Claim
27 words
The protective helmet as claimed in claim 1, including an elongated spring disposed within each said tube and secured at each end thereof to said helmet body.
Claim 4
Dependent Claim
26 words
The protective helmet as claimed in claim 1, including a pad of sponge-like material between each pair of tubes at each end of each tube pair.
Claim 5
Dependent Claim
18 words
The protective helmet as claimed in claim 1, including a gauze inner layer covering said plurality of tubes.
Claim 6
Dependent Claim
37 words
The protective helmet as claimed in claim 4, including a plurality of elongated flexible bands, each band extending the length of a corresponding tube, and each band positioned between said corresponding tube and said gauze inner layer.
Claim 7
Dependent Claim
29 words
The protective helmet as claimed in claim 1, wherein there is a corresponding number of said strips and tubes, and each said strip is mounted opposite each said tube.
References Cited (Backward Citations)
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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) | 1983-09-23 | 1984-03-24 | 1984-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-23 | 1988-03-24 | 1988-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-23 | 1992-03-24 | 1992-09-23 | $7700.00 | Window Closed / Lapsed |