US2590090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nodulizing process and apparatus
Assignee: Erie Mining Co
•
Filing: 1946-09-16
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Granted: 1952-03-25
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Expires: 1966-09-16
Abstract
No abstract record available.
Inventors
- 👤 Vaney Fred D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:11
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2413; F; F27; F27B; F27B7/00; F27B7/20; F27B7/32; F27B7/38; F27B7/383; F27D; F27D99/00; F27D99/0001; F27D99/0033; F27D2099/0053; F27D2099/0056; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |