Patent US3492368A successfully refreshed from Google Patents.
US3492368A
Expired / Lapsed
US
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Fiber forming linear polyesters with improved dyeability
Assignee: Eastman Kodak Co
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Filing: 1969-01-06
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Granted: 1970-01-27
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Expires: 1989-01-06
Abstract
No abstract record available.
Inventors
- 👤 Harry W Coover Jr
- 👤 Frederick B Joyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:22
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/88; D01F6/92; C; C08; C08L; C08L67/00; C08L67/02; C08L77/00; C08L77/02; D01F6/90; C08L77/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3382305A
Cited
US3014011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |