US2740580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal centrifugal separator
Assignee: STARCOSA MASCHINEN- und APPARATEBAU GmbH
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Filing: 1951-04-24
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Granted: 1956-04-03
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Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Schmiedel Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:56
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/48; B03B5/56; B04; B04B; B04B1/00; B04B1/20
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |