US2502945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separator
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1946-01-08
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Granted: 1950-04-04
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Expires: 1966-01-08
Abstract
No abstract record available.
Inventors
- 👤 Hanno Tore Verner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:26
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/02; C12H1/06; C12H1/061; B; B04; B04B; B04B11/00; B04B11/02; B04B15/00; B04B15/06
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) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |