US2778836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 2-methyl-delta2 imidazolines
Assignee: UCB SA
•
Filing: 1955-02-03
•
Granted: 1957-01-22
•
Expires: 1975-02-03
Abstract
No abstract record available.
Inventors
- 👤 Morren Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:46
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/20; C07D233/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A COMPOUND SELECTED FROM THOSE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
9 words
A COMPOUND SELECTED FROM THOSE REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2411867A
Cited
GB620339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |