US2473602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid separator
Assignee: Individual
•
Filing: 1945-04-25
•
Granted: 1949-06-21
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 Lavigne Jean Loumiet Et
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:33
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US370533A
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US948062A
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US1100603A
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US1753490A
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US1853868A
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US2232913A
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US2274050A
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US2264248A
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US2229860A
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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) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |