US3532499A
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Amino - n - oxides as development accelerators in photography
Assignee: Agfa Gevaert NV
•
Filing: 1966-08-22
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Granted: 1970-10-06
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Jozef Frans Willems
- 👤 Francis Jeanne Sels
- 👤 Joseph Louis Demunck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:48
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/89; C07D295/00; C07D295/22; C07D295/24; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; G03C5/00; G03C5/26; G03C5/29; G03C5/305; Y; Y10; Y10S; Y10S430/00; Y10S430/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3129100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |