US2645378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp storage tower and method of emptying same
Assignee: Metso Fiber Karlstad AB
•
Filing: 1948-03-05
•
Granted: 1953-07-14
•
Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 Richter Johan Christoffer Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:50
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US420613A
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FR657614A
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FR747755A
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FR859735A
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US2411066A
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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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |