US3096339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selected negatively substituted maleimide dyes
Assignee: EIDP Inc
•
Filing: 1959-02-19
•
Granted: 1963-07-02
•
Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Elmore L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:22
CPC Classifications
C; C09; C09B; C09B57/00; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/456; C09B26/00; C09B26/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2205558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |