US2855392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxnxi
Assignee: —
•
Filing: —
•
Granted: 1958-10-07
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:33
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/14; C09B45/22; C07; C07F; C07F15/00; C07F15/06; C07F15/065; C09B45/18; C09B45/24; G; G03; G03G; G03G9/00; G03G9/08; G03G9/09; G03G9/0906; G03G9/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A COMPLEX COBALT COMPOUND WHICH CONTAINS ONE ATOM OF COBALT IN COMPLEX COMBINATION WITH SUBSTANTIALLY TWO MOLECULES OF DIFFERENT MONAZO-DYESTUFFS OF WHICH ONE CORRESPONDS TO THE FORMULA
Claim 2
Dependent Claim
27 words
A COMPLEX COBALT COMPOUND WHICH CONTAINS ONE ATOM OF COBALT IN COMPLEX COMBINATION WITH SUBSTANTIALLY TWO MOLECULES OF DIFFERENT MONAZO-DYESTUFFS OF WHICH ONE CORRESPONDS TO THE FORMULA
References Cited (Backward Citations)
US2674515A
Cited
US2734895A
Cited
US2565898A
Cited
US2551056A
Cited
US2711404A
Cited
US2766230A
Cited
US2749332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |