Patent US3433640A successfully refreshed from Google Patents.
US3433640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic silver halide light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1965-11-08
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Granted: 1969-03-18
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Expires: 1985-11-08
Abstract
No abstract record available.
Inventors
- 👤 Fumihiko Nishio
- 👤 Yoshiyuki Nakazawa
- 👤 Kintaro Nasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:12
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/35; G03C1/355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PHOTOGRAPHIC SILVER HALIDE SENSITIVE MATERIAL COMPRISING A SUPPORT AND A SILVER HALIDE EMULSION LAYER, SAID LAYER CONTAINING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
34 words
A PHOTOGRAPHIC SILVER HALIDE SENSITIVE MATERIAL COMPRISING A SUPPORT AND A SILVER HALIDE EMULSION LAYER, SAID LAYER CONTAINING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
FR660222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |