Patent US3539443A successfully refreshed from Google Patents.
US3539443A
Expired / Lapsed
US
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Laminates of oxidized epoxy resins with linear thermoplastic polyesters or polyamides and methods of making same
Assignee: Eastman Kodak Co
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Filing: 1968-10-10
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Granted: 1970-11-10
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Expires: 1988-10-10
Abstract
No abstract record available.
Inventors
- 👤 Winston J Jackson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:36
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/04; C08J7/0427; C08J7/043; C08J2363/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3282722A
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US3475194A
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US3419452A
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US3436288A
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US3487124A
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US3496250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |