US2944629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco separating apparatus
Assignee: AMF Inc
•
Filing: 1957-08-09
•
Granted: 1960-07-12
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Eissmann Oswald Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:29
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28; A; A24; A24B; A24B5/00; A24B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717369A
Cited
US1909184A
Cited
US2515894A
Cited
FR1019343A
Cited
US2643737A
Cited
US2755930A
Cited
FR1097828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |