US2435623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuges for separating from a liquid matters suspended or emulgated therein
Assignee: SEPARATOR NOBEL AB
•
Filing: 1943-03-03
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Granted: 1948-02-10
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Expires: 1963-03-03
Abstract
No abstract record available.
Inventors
- 👤 Forsberg Erik August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:30
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/20; C; C10; C10G; C10G73/00; C10G73/02; C10G73/025; B04B2001/2058; B04B2001/2066; Y; Y10; Y10S; Y10S494/00; Y10S494/901
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) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |