Patent US3379712A successfully refreshed from Google Patents.
US3379712A
Expired / Lapsed
US
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Disazo dyes for hydrophobic fibers
Assignee: Eastman Kodak Co
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Filing: 1965-10-14
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Granted: 1968-04-23
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Max A Weaver
- 👤 David J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:36
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D241/00; C07D241/02; C07D241/06; C07D241/08; C07D265/00; C07D265/28; C07D265/30; C07D265/32; C07D265/33; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/34; C09; C09B; C09B31/00; C09B31/02; C09B31/04; C09B31/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |