US3247127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-absorbing water-permeable colloid layer containing an oxonol dye
Assignee: Eastman Kodak Co
•
Filing: 1961-03-27
•
Granted: 1966-04-19
•
Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Bailey Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:55
CPC Classifications
C; C07; C07C; C07C273/00; C07C273/18; C07C273/1809; C07C273/1818; C07C273/1827; C09; C09B; C09B23/00; C09B23/02; G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/832; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A LIGHT-ABSORBING WATER-PERMEABLE COLLOID LAYER CONTAINING A LIGHT-ABSORBING DYE AS A LIGHT-SCREENING SUBSTANCE HAVING FORMULA:
Claim 2
Dependent Claim
15 words
A LIGHT-ABSORBING WATER-PERMEABLE COLLOID LAYER CONTAINING A LIGHT-ABSORBING DYE AS A LIGHT-SCREENING SUBSTANCE HAVING FORMULA:
References Cited (Backward Citations)
US2345193A
Cited
US2611698A
Cited
US2534654A
Cited
US2533472A
Cited
US2614940A
Cited
US2533206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |