US3403202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making tobacco-smoke filters
Assignee: Brown and Williamson Holdings Inc
•
Filing: 1965-04-19
•
Granted: 1968-09-24
•
Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Green Sydney James
- 👤 Willis Norman Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:29
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3039908A
Cited
GB757841A
Cited
US3088467A
Cited
US3318317A
Cited
US3217715A
Cited
US3320110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |