Patent US3148178A successfully refreshed from Google Patents.
US3148178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azo compounds containing a dicarboximido radical
Assignee: Eastman Kodak Co
•
Filing: 1962-11-07
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Granted: 1964-09-08
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Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 David J Wallace
- 👤 James M Straley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:25
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AZO COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
AZO COMPOUNDS HAVING THE GENERAL 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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |