Patent US3414401A successfully refreshed from Google Patents.
US3414401A
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US
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Process for obtaining solid zinc from zinc vapour containing gases
Assignee: Societe Metallurgique dImphy SA
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Filing: 1966-03-08
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Granted: 1968-12-03
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Expires: 1986-03-08
Abstract
No abstract record available.
Inventors
- 👤 Fourt Pierre Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
C; C22; C22B; C22B19/00; C22B19/34; C22B19/36; C22B19/04; C22B19/08; C22B19/16; C22B19/18; C22B5/00; Y; Y10; Y10S; Y10S75/00; Y10S75/961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB377451A
Cited
US2096779A
Cited
US2298139A
Cited
US2637649A
Cited
US3314781A
Cited
FR1411035A
Cited
FR1429310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |