US3419348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of metals
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1964-04-16
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Granted: 1968-12-31
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Hardy Clarence James
- 👤 Field Brian Orlando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:24
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01B; C01B21/00; C01B21/20; C01B21/50; C01D; C01D15/00; C01D15/10; C01D17/00; C01G; C01G1/00; C01G1/08; C22; C22B; C22B7/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02P; Y02P10/00; Y02P10/20; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2874039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |