Patent US3064541A successfully refreshed from Google Patents.
US3064541A
Expired / Lapsed
US
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Machine for making filter units for cigarettes
Assignee: Individual
•
Filing: 1959-12-01
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Granted: 1962-11-20
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 Mantchev Marco Ivanov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:30
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/47; A24C5/476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2219491A
Cited
US2258823A
Cited
US2422188A
Cited
US2820460A
Cited
US2912043A
Cited
US2843132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |