Patent US3845971A successfully refreshed from Google Patents.
US3845971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restraint metal chip coolant and separator
Assignee: Honeywell International Inc
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Filing: 1972-12-15
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Granted: 1974-11-05
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Expires: 1992-12-15
Abstract
Abstract A metal chip coolant and separator bed for an inflatable restraint passenger restraint system for automobiles is provided between a supply of gas and the inflatable restraint. In one embodiment the bed is between a pyrotechnic gas supply and the restraint for cooling and filtering the gas of impurities.
Inventors
- 👤 B Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:48
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/26
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
103 words
In an improved inflatable restraint system comprising a gas supply system, an inflatable restraint, and means connecting said gas supply system and said restraint for conveying gas therebetween for inflating said restraint, the improvement comprising a porous coolant and separator bed comprising metal chips maintained in said connecting means between the gas supply system and the inflatable restraint through which at least a portion of the gas passes, at least a substantial portion of the metal chips being generally flat and lying in a first plane and having a portion thereof in a second plane extending from the distinct from the first plane.
Claim 2
Dependent Claim
103 words
In an improved inflatable restraint system comprising a gas supply system, an inflatable restraint, and means connecting said gas supply system and said restraint for conveying gas therebetween for inflating said restraint, the improvement comprising a porous coolant and separator bed comprising metal chips maintained in said connecting means between the gas supply system and the inflatable restraint through which at least a portion of the gas passes, at least a substantial portion of the metal chips being generally flat and lying in a first plane and having a portion thereof in a second plane extending from the distinct from the first plane.
Claim 3
Dependent Claim
25 words
In an improved restraint system as defined in claim 1, wherein the portion in a second plane is a curl extending from the first plane.
Claim 4
Dependent Claim
20 words
In an improved restraint system as defined in claim 1, wherein said substantial portion equals at least about 50 percent.
Claim 5
Dependent Claim
15 words
In an improved restraint system as defined in claim 3, wherein the chips are steel.
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |