US3194805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Merocyanine and holopolar dyes containing arylene-chain substitution
Assignee: Eastman Kodak Co
•
Filing: 1960-09-02
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Granted: 1965-07-13
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Expires: 1980-09-02
Abstract
No abstract record available.
Inventors
- 👤 Leslie G S Brooker
- 👤 Frank G Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; C; C09; C09B; C09B23/00; C09B23/0066; C09B23/0091; C09B23/10; C09B23/102; G03C1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING FORMULA:
References Cited (Backward Citations)
BE579112A
Cited
US2395879A
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US1969445A
Cited
US2586164A
Cited
US2715622A
Cited
US2856404A
Cited
US2955939A
Cited
FR1231268A
Cited
US2965486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |