Patent US1582468A successfully refreshed from Google Patents.
Patent US5112477A successfully refreshed from Google Patents.
Patent US3788663A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3788663A 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
•
Filing: 1971-06-11
•
Granted: 1974-01-29
•
Expires: 1991-06-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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

  • 👤 P Weman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 06:05
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 106 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 front wall having a plurality of air intake openings therein, each of said air intake openings being associated with a closure means comprising a band which shifts across and seals said air intake opening upon inflation of said bag, and (b) a plurality of U-shaped tubes, each of said tubes being connected at one end to the cartridge and being disposed within said bag.
Claim 2
Dependent Claim 106 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 front wall having a plurality of air intake openings therein, each of said air intake openings being associated with a closure means comprising a band which shifts across and seals said air intake opening upon inflation of said bag, and (b) a plurality of U-shaped tubes, each of said tubes being connected at one end to the cartridge and being disposed within said bag.

References Cited (Backward Citations)

US1370178A Cited
US2418798A Cited
US2772829A Cited
US2974912A Cited
US3508724A Cited
US3624810A Cited
US3603430A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-01-28 1977-07-30 1978-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-28 1981-07-30 1982-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-28 1985-07-30 1986-01-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag