US2747514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scavenge line centrifuge
Assignee: Individual
•
Filing: 1952-07-22
•
Granted: 1956-05-29
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Edwards Miles Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:45
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/005; B04B11/00; B04B11/04; F; F16; F16N; F16N39/00; F16N39/002
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |