US2724692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for converting volatilizable metal chlorides to metals
Assignee: Individual
•
Filing: 1953-01-21
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Granted: 1955-11-22
•
Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
- 👤 Gosta C Akerlof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:37
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B5/00; C22B5/02; C22B5/12; H; H05; H05B; H05B7/00; H05B7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |