Patent US3907328A successfully refreshed from Google Patents.
US3907328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable air bag for motor vehicles for attenuating the impact effect of the passenger in case of accident
Assignee: Klippan GmbH Hamburg
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Filing: 1973-06-14
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Granted: 1975-09-23
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Expires: 1993-06-14
Abstract
Abstract Inflatable air bag having one or several air intake openings for drawing air from the passenger compartment into the air bag, and closure means for automatically sealing the air intake openings after inflation of the air bag. The closure means may consist of bands, tubes, flaps and the like.
Inventors
- 👤 Per Olof Werman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/23; B60R21/231; B60R2021/23115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
In an inflatable air bag disposed within the passenger compartment of a motor vehicle subject to impact and adapted for inflation with fluid supplied in part from a cartridge upon impact of the vehicle, the improvement wherein said bag has (a) a plurality of U-shaped tubes, each of said tubes being connected at one end to the cartridge and being disposed within said bag, (b) at least one air intake opening provided in the front wall thereof, and (c) closure means operably associated with said air intake opening for automatically sealing said air intake opening after inflation of said bag, said closure means comprising an inflatable tube having a free end which, upon inflation of said tube, extends through and seals said air intake opening.
Claim 2
Dependent Claim
125 words
In an inflatable air bag disposed within the passenger compartment of a motor vehicle subject to impact and adapted for inflation with fluid supplied in part from a cartridge upon impact of the vehicle, the improvement wherein said bag has (a) a plurality of U-shaped tubes, each of said tubes being connected at one end to the cartridge and being disposed within said bag, (b) at least one air intake opening provided in the front wall thereof, and (c) closure means operably associated with said air intake opening for automatically sealing said air intake opening after inflation of said bag, said closure means comprising an inflatable tube having a free end which, upon inflation of said tube, extends through and seals said air intake opening.
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) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |