Patent US1677153A successfully refreshed from Google Patents.
Patent US4472472A successfully refreshed from Google Patents.
US4472472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device
Assignee: Individual
•
Filing: 1983-04-28
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Granted: 1984-09-18
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Expires: 2003-04-28
Abstract
Abstract A protective device, such as a boxing helmet, rib or muscle protector, athletic mat, hockey helmet, motorcycle helmet and similar devices, is formed such that the major shock absorption is accomplished by a series of bowed, preferably plastic, members which flex when the device is subjected to an impact, so as to absorb the shock and dissipate its transmission to the user. Because of the nature of these bowed members, when the shock has been dissipated, the member returns to its original position so as to be able to absorb further shocks.
Inventors
- 👤 Robert J. Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:48
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/18; B32B3/20; A; A42; A42B; A42B3/00; A42B3/04; A42B3/06; A42B3/062; A42B3/065; A41; A41D; A41D31/00; A41D31/04; A41D31/28; A41D31/285; A63; A63C; A63C19/00; A63C19/04; B32B27/00; B32B27/06; B32B27/065; B32B27/08; B32B3/22; B32B5/00; B32B5/18; F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/422; B32B2307/00; B32B2307/50; B32B2307/56; B32B2437/00; B32B2437/04; B32B2571/00; F16F2236/00; F16F2236/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24562; Y10T428/24628; Y10T428/24661; Y10T428/249921; Y10T428/249953
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
77 words
A shock absorption device including: a. a first outer layer; b. a second, inner layer, said inner layer being separated from said outer layer so as to provide a space between the two layers; and c. a series of curved, flexible legs formed of a resilient plastic material, said legs being joined at the apex of the curvature to form an arcade, said arcade being placed within said space and being free to move within said space.
Claim 2
Dependent Claim
77 words
A shock absorption device including: a. a first outer layer; b. a second, inner layer, said inner layer being separated from said outer layer so as to provide a space between the two layers; and c. a series of curved, flexible legs formed of a resilient plastic material, said legs being joined at the apex of the curvature to form an arcade, said arcade being placed within said space and being free to move within said space.
Claim 3
Dependent Claim
18 words
The structure of claim 1 wherein said inner layer and said outer layer are formed from plastic materials.
Claim 4
Dependent Claim
23 words
The structure of claim 1 wherein the surface of said outer layer adjacent said space is provided with a foamed surface affixed thereto.
Claim 5
Dependent Claim
23 words
The structure of claim 1 wherein the surface of said inner layer adjacent said space is formed with a foamed surface affixed thereto.
Claim 6
Dependent Claim
11 words
The structure of claim 1 wherein adjacent arcades abut each other.
Claim 7
Dependent Claim
15 words
The structure of claim 1 wherein the legs and spaces of adjacent arcades are interdigitated.
Claim 8
Dependent Claim
10 words
The structure of claim 1 incorporated into an athletic helmet.
Claim 9
Dependent Claim
10 words
The structure of claim 1 incorporated into an athletic mat.
Claim 10
Dependent Claim
17 words
The structure of claim 1 wherein the surface of said inner layer adjacent said space is smooth.
References Cited (Backward Citations)
US2028060A
Cited
AT235033B
Cited
US4307471A
Cited
EP0047712A2
Cited
EP0048442A1
Cited
US4432099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |