US3479989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion coating apparatus
Assignee: Eastman Kodak Co
•
Filing: 1967-11-28
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Granted: 1969-11-25
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Expires: 1987-11-28
Abstract
No abstract record available.
Inventors
- 👤 Walker F Hunter
- 👤 Edward J Mizma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:43
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/001; B05C5/02; B05C5/0254; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/30; B29C48/305; B29C48/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3227136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |