US2740409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing filter mouthpiece cigarettes
Assignee: Koerber & Co KG
•
Filing: 1954-02-05
•
Granted: 1956-04-03
•
Expires: 1974-02-05
Abstract
No abstract record available.
Inventors
- 👤 Korber Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/47; A24C5/471; A24C5/475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606537A
Cited
US1761205A
Cited
US2150512A
Cited
US2152416A
Cited
US2165144A
Cited
US2166486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |