Patent US3411998A successfully refreshed from Google Patents.
US3411998A
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Process for reclaiming spent alkali metal carboxylate solutions
Assignee: General Dynamics Corp
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Filing: 1966-04-06
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Granted: 1968-11-19
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Wallman Harodl
- 👤 Thomas V Bolles
- 👤 Oliver L I Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2921005A
Cited
US3033214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |