US3243174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dissociation-deposition apparatus for the production of metals
Assignee: Chilean Nitrate Corp
•
Filing: 1960-03-08
•
Granted: 1966-03-29
•
Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Roger G Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:39
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/16; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2476916A
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US2604395A
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US2714564A
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US2783164A
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US2792438A
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US2884894A
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US3004090A
Cited
US3031338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |