Patent US3364022A successfully refreshed from Google Patents.
US3364022A
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Direct positive photographic color reproduction process and element utilizing thio-substituted hydroquinones as development inhibitors
Assignee: Eastman Kodak Co
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Filing: 1966-12-01
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Granted: 1968-01-16
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Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Charles R Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:14
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C47/00; C07C47/52; C07C47/575; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20; C07D231/22; C07D231/26; C07D231/28; C07D231/30; C07D231/32; C07D231/44; C07D231/52; C07D263/00; C07D263/52; C07D263/54; C07D263/58; C07F; C07F3/00; C07F3/10; C07F3/12; C09; C09B; C09B31/00; C09B31/02; C09B31/06; C09B31/075; C09B31/078; C09B35/00; C09B35/02; C09B35/039; C09B35/04; C09B39/00; C09B43/00; C09B43/08; C09B43/12; C09B43/124; G; G03; G03C; G03C5/00; G03C5/26; G03C5/50; G03C7/00; G03C7/30; G03C7/3003; G03C8/00; G03C8/02; G03C8/08; G03C7/305; G03C7/30541; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/158
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |