US2816419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant displacement gas generators
Assignee: Bell Aircraft Corp
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Filing: 1952-03-07
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Granted: 1957-12-17
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 Heinz E Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:59
CPC Classifications
G; G21; G21D; G21D5/00; G21D5/02; Y; Y02; Y02E; Y02E30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A GAS GENERATOR COMPRISING A CONTAINER HAVING THEREIN A MASS OF AMMONIUM CARBONATE COMPOUND ADAPTED TO PROGRESSIVELY DECOMPOSE WHEN HEATED TO EVOLVE LARGE QUANTITIES OF GAS, SAID CONTAINER INCLUDING A GAS ACCUMULATION CHAMBER PORTION, A HEATING ELEMENT DISPOSED WITHIN SAID CONTAINER, AND MEANS OPERABLE TO RELATIVELY DISPLACE SAID MASS AND SAID HEATING ELEMENT TO MAINTAIN THEM IN HEAT EXCHANGE RELATION AS DECOMPOSITION OF SAID MASS PROGRESSES.
Claim 2
Dependent Claim
66 words
A GAS GENERATOR COMPRISING A CONTAINER HAVING THEREIN A MASS OF AMMONIUM CARBONATE COMPOUND ADAPTED TO PROGRESSIVELY DECOMPOSE WHEN HEATED TO EVOLVE LARGE QUANTITIES OF GAS, SAID CONTAINER INCLUDING A GAS ACCUMULATION CHAMBER PORTION, A HEATING ELEMENT DISPOSED WITHIN SAID CONTAINER, AND MEANS OPERABLE TO RELATIVELY DISPLACE SAID MASS AND SAID HEATING ELEMENT TO MAINTAIN THEM IN HEAT EXCHANGE RELATION AS DECOMPOSITION OF SAID MASS PROGRESSES.
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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |