US2809639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of composite cigarettes
Assignee: FILTER TIPS Ltd
•
Filing: 1954-06-23
•
Granted: 1957-10-15
•
Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Edwards William Frede Maitland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/47; A24C5/471
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |