US2676002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and feeding mechanism
Assignee: SUPERIOR SEPARATOR Co
•
Filing: 1951-09-15
•
Granted: 1954-04-20
•
Expires: 1971-09-15
Abstract
No abstract record available.
Inventors
- 👤 Walter W Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
A; A01; A01D; A01D90/00; A01D90/10; A01D90/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1312304A
Cited
US712581A
Cited
US779714A
Cited
US1093928A
Cited
US1422002A
Cited
US2083864A
Cited
US2503129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |