US2916201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge drive spindle arrangement
Assignee: GEA Mechanical Equipment GmbH
•
Filing: 1956-02-21
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Granted: 1959-12-08
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Hemfort Heinrich
- 👤 Zurbruggen Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:26
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/12
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |