US3280101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-cyanoalkylsulfonylbenzothiazole monoazo dyestuffs
Assignee: Eastman Kodak Co
•
Filing: 1962-09-07
•
Granted: 1966-10-18
•
Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 James M Straley
- 👤 John G Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:43
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/62; C09B62/66; C09B62/665; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/82; C09B29/00; C09B29/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE AZO COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
THE AZO COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
US2096722A
Cited
US2785157A
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US2972508A
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US2955901A
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US2868775A
Cited
US2916482A
Cited
US3057848A
Cited
US3007915A
Cited
US3097196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |