US2416073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separator
Assignee: Individual
•
Filing: 1942-10-27
•
Granted: 1947-02-18
•
Expires: 1962-10-27
Abstract
No abstract record available.
Inventors
- 👤 Smely Vaclav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:27
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/08; B; B04; B04B; B04B3/00; B04B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US96304A
Cited
US443743A
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US527723A
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US575142A
Cited
US1309651A
Cited
FR616615A
Cited
US2037840A
Cited
US2139401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |