US3119822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N chi chj
Assignee: —
•
Filing: —
•
Granted: 1964-01-28
•
Expires: 1981-01-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:21
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A QUATERNARY COMPOUND OF THE FORMULA-
Claim 2
Dependent Claim
6 words
A QUATERNARY COMPOUND OF THE FORMULA-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |