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US3485208A
Expired / Lapsed
US
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Apparatus for injecting tobacco smoke modifying material into multiple length filter rods
Assignee: Cigarette Components Ltd
•
Filing: 1964-12-28
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Granted: 1969-12-23
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 David Henry Hemming
- 👤 Francis Robert Davenport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:51
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/0225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1270933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |