Patent FR2689388A1 successfully refreshed from Google Patents.
US3484339A
Expired / Lapsed
US
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Blends of polyesters containing free carboxyl groups and laminate thereof
Assignee: Eastman Kodak Co
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Filing: 1966-05-02
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Granted: 1969-12-16
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:34
CPC Classifications
C; C08; C08L; C08L57/00; C08L1/00; C08L1/08; C08L67/00; C08L77/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041248A
Cited
US2223575A
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US2721850A
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GB856917A
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US3048565A
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US3242002A
Cited
US3232813A
Cited
US3288759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |