Patent US3206309A successfully refreshed from Google Patents.
US3206309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive silver compounds and photographic methods
Assignee: Eastman Kodak Co
•
Filing: 1962-12-03
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Granted: 1965-09-14
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Grant M Haist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:02
CPC Classifications
C; C07; C07H; C07H23/00; G; G03; G03C; G03C1/00; G03C1/494; G03C8/00; G03C8/02; G03C8/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A LIGHT-SENSITIVE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A LIGHT-SENSITIVE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |