US3061098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal classifier and stock cleaner
Assignee: Beloit Iron Works Inc
•
Filing: 1960-07-18
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Granted: 1962-10-30
•
Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Jerome P Brezinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:11
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/24; F; F16; F16L; F16L55/00; F16L55/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US601355A
Cited
US603285A
Cited
US971013A
Cited
US1757834A
Cited
US1797812A
Cited
US2514159A
Cited
US2782927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |