US2460834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Settling method and apparatus
Assignee: Mining Process and Patent Co
•
Filing: 1945-08-13
•
Granted: 1949-02-08
•
Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 Leland H Logue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:23
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/10; B01D21/12; B01D21/14; B01D21/003; B01D21/0036; B01D21/18; B01D21/186; B01D21/24; B01D21/2405; B01D21/2416; B01D21/2427; B01D21/2444; B01D21/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1135997A
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US1237745A
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AT84482B
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GB110188A
Cited
US1336553A
Cited
US1434089A
Cited
US1534145A
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US1770353A
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US2003357A
Cited
US2344355A
Cited
US2239604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |