US3491766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of smoking product of cellulose derivatives and process
Assignee: Gallaher Ltd
•
Filing: 1968-07-16
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Granted: 1970-01-27
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Expires: 1988-07-16
Abstract
No abstract record available.
Inventors
- 👤 Theodore S Briskin
- 👤 Geoffrey R Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:34
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/16; A24B15/165
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |