US2883103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge apparatus and method
Assignee: Technicon International Ltd
•
Filing: 1953-03-09
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Granted: 1959-04-21
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Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Whitehead
- 👤 Jr Andres Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:21
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B1/00; Y; Y10; Y10S; Y10S292/00; Y10S292/22
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |