US3393072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dioximes as antifoggants in silver halide emulsions
Assignee: Fujifilm Holdings Corp
•
Filing: 1965-04-14
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Granted: 1968-07-16
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Ohi Reiichi
- 👤 Sugiyama Mitsunori
- 👤 Kawano Hideo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/33
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A SILVER HALIDE PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND A SILVER HALIDE PHOTOGRAPHIC EMULSION LAYER, SAID EMULSION LAYER CONTAINING AT LEAST A COMPOUND SHOWN BY THE GENERAL FORMULA I
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |