Patent US3519488A successfully refreshed from Google Patents.
US3519488A
Expired / Lapsed
US
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Carbon dioxide absorber means and fuel cell to regenerate absorbent
Assignee: RTX Corp
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Filing: 1969-03-21
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Granted: 1970-07-07
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Expires: 1989-03-21
Abstract
No abstract record available.
Inventors
- 👤 Jose Giner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:44
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0662; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y02C; Y02C20/00; Y02C20/40; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2777811A
Cited
US2860095A
Cited
US2793182A
Cited
US2827426A
Cited
US3124520A
Cited
US3262868A
Cited
US3344050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |