Patent US2800237A successfully refreshed from Google Patents.
US3661753A
Expired / Lapsed
US
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Carbon dioxide removal device
Assignee: RTX Corp
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Filing: 1970-11-18
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Granted: 1972-05-09
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Expires: 1990-11-18
Abstract
Abstract A DEVICE FOR SELECTIVELY REMOVING C/2 DIRECTLY FROM A BREATHABLE ATOMSPHERE UNDER ZERO GRAVITY CONDITION, SAID DEVICE INCLUDING AN ANODE AND CATHODE WITH A FUSED ELECTROLYTE LAYER DISPOSED THEREBETWEEN. THE ELECTROLYTE IS ARRANGED SO AS TO BE EXPOSED, FOR A SHORT TIME, TO THE ATMOSPHERE WHEREBY THE CO2 IS ABSORBED. THEN THE ELECTROLYTE IS MOVED TO A FIELD BETWEEN THE ANODE AND CATHODE WHEREBY ABSORBED CO2 IS DECOMPOSED INTO CARBON AND OXYGEN.
Inventors
- 👤 John R Aylward
- 👤 James I Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:14
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; C; C25; C25B; C25B1/00; C25B1/01; C25B1/02; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |