US4556236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable gas cushion
Assignee: Daimler Benz AG
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Filing: 1983-09-22
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Granted: 1985-12-03
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Expires: 2003-09-22
Abstract
Abstract At least one closed container filled with neutralizing substances is arranged inside of an automatically inflatable gas cushion designed for the protection of the passengers of motor vehicles. The gas cushion is generally filled in a pyrotechnical manner by the use of gases and the release of the substances in the closed container is for the purpose of neutralizing these gases which may lead to the annoyance of the passengers when flowing into the vehicle passenger space.
Inventors
- 👤 Hans J. Scholz
- 👤 Helmut Patzelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:56
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/23
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
49 words
An inflatable gas cushion fillable with gases for the protection of passengers of vehicles including a frangible closed container means arranged inside of the gas cushion filled with substances for neutralizing selected properties of said gases, said container means being automatically opened during inflation of the inflatable gas cushion.
Claim 2
Dependent Claim
49 words
An inflatable gas cushion fillable with gases for the protection of passengers of vehicles including a frangible closed container means arranged inside of the gas cushion filled with substances for neutralizing selected properties of said gases, said container means being automatically opened during inflation of the inflatable gas cushion.
Claim 3
Dependent Claim
21 words
A gas cushion according to claim 1, wherein the container means is constructed as welded-together pocket made from a plastic foil.
Claim 4
Dependent Claim
32 words
A gas cushion according to claim 1, wherein the container means is secured inside of the gas cushion in such a manner that it is mechanically destroyed by the unfolding gas cushion.
Claim 5
Dependent Claim
22 words
A gas cushion according to claim 1, wherein the container means is thermally destroyed by hot gases flowing into the gas cushion.
Claim 6
Dependent Claim
75 words
An inflatable gas cushion fillable with gases for the protection of passengers of vehicles which is inflated by the gases flowing into the gas cushion during an accident, comprising a frangible closed container means inside the gas cushion, said container means being filled with substances for at least partially neutralizing any annoying side effects of said gases, said gas cushion automatically opening said closed container means during inflation of said gas cushion by said gases.
Claim 7
Dependent Claim
75 words
An inflatable gas cushion fillable with gases for the protection of passengers of vehicles which is inflated by the gases flowing into the gas cushion during an accident, comprising a frangible closed container means inside the gas cushion, said container means being filled with substances for at least partially neutralizing any annoying side effects of said gases, said gas cushion automatically opening said closed container means during inflation of said gas cushion by said gases.
Claim 8
Dependent Claim
24 words
An inflatable gas cushion according to claim 5, wherein the gas cushion is made of stretchable material and the container means is opened mechanically.
Claim 9
Dependent Claim
37 words
An inflatable gas cushion according to claim 6, wherein said gas cushion and said container means utilize different stretch properties of the materials used therefor for automatically opening the container means during inflation of the gas cushion.
Claim 10
Dependent Claim
27 words
An inflatable gas cushion according to claim 6, wherein said gas cushion includes a member for tearing open said container means during inflation of the gas cushion.
Claim 11
Dependent Claim
31 words
An inflatable gas cushion according to claim 5, wherein said container means is formed of a thermally responsive material and is opened in response to hot gases filling said gas cushion.
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) | 1988-12-02 | 1989-06-03 | 1989-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-02 | 1993-06-03 | 1993-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-02 | 1997-06-03 | 1997-12-03 | $7700.00 | Window Closed / Lapsed |