US3344131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sosh ojn hojs
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
•
Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:30
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B45/00; C09B45/02; C09B45/14; C09B45/18; C09B45/22; G; G03; G03G; G03G9/00; G03G9/08; G03G9/09; G03G9/0906; G03G9/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE 1:2-COBALT COMPLEX COMPOUND OF A MONOAZO DYE OF THE FORMULA
Claim 2
Dependent Claim
11 words
THE 1:2-COBALT COMPLEX COMPOUND OF A MONOAZO DYE OF THE FORMULA
References Cited (Backward Citations)
CA623291A
Cited
US3125564A
Cited
US3127389A
Cited
US2929809A
Cited
US2963472A
Cited
FR1221621A
Cited
US3183224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |