US2685344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter plug for cigarettes
Assignee: Cigarette Components Ltd
•
Filing: 1950-06-14
•
Granted: 1954-08-03
•
Expires: 1970-06-14
Abstract
No abstract record available.
Inventors
- 👤 Bunzl Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB190318341A
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US1995069A
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US2221443A
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US2202839A
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US2342924A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |