Patent US3522052A successfully refreshed from Google Patents.
US3522052A
Expired / Lapsed
US
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Photographic supersensitized silver halide emulsions
Assignee: Fujifilm Holdings Corp
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Filing: 1966-11-07
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Granted: 1970-07-28
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Keisuke Shiba
- 👤 Masanao Hinata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:22
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29
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) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |