US3413982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco smoke filter employing ethylene copolymer bonding material
Assignee: Eastman Kodak Co
•
Filing: 1965-08-04
•
Granted: 1968-12-03
•
Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Bobby J Sublett
- 👤 George P Touey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:33
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/16; A24D3/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2765515A
Cited
GB757841A
Cited
US3008472A
Cited
US3101723A
Cited
US3281070A
Cited
US3217715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |