Patent US4055161A successfully refreshed from Google Patents.
Patent US3124565A successfully refreshed from Google Patents.
US3124565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble benzimidazolone mono-
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:39
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0014; C09B67/0015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE WATER-INSOLUBLE MONAZO-DYESTUFFS HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
THE WATER-INSOLUBLE MONAZO-DYESTUFFS HAVING THE 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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |