Patent US3388136A successfully refreshed from Google Patents.
Patent US2667174A successfully refreshed from Google Patents.
US2667174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for ripping and assorting tobacco leaves
Assignee: AMERICAN MACHINE DEV CORP
•
Filing: 1947-11-28
•
Granted: 1954-01-26
•
Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Eissmann Oswald Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
A; A24; A24B; A24B5/00; A24B5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL55758C
Cited
US635076A
Cited
US743814A
Cited
US759417A
Cited
US888396A
Cited
FR392542A
Cited
US1418735A
Cited
US1621194A
Cited
US1588511A
Cited
US1699849A
Cited
US1752860A
Cited
GB380323A
Cited
GB425013A
Cited
US2173087A
Cited
US2173088A
Cited
US2130880A
Cited
US2281610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |