US2551341A
Expired / Lapsed
US
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Apparatus for thermal decomposition of metal halides
Assignee: New Jersey Zinc Co
•
Filing: 1949-11-22
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Granted: 1951-05-01
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Expires: 1969-11-22
Abstract
No abstract record available.
Inventors
- 👤 Charles L Scheer
- 👤 Charles M Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:13
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/129; C22B34/14; H; H05; H05B; H05B3/00; H05B3/62; H05B3/64; Y; Y10; Y10S; Y10S266/00; Y10S266/905
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |