US3192215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O-diamidobenzene derivatives
Assignee: Olin Corp
•
Filing: 1963-01-30
•
Granted: 1965-06-29
•
Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Krapcho John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:13
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07D295/145; C07D295/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND OF THE GROUP CONSISTING OF A BASE OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND OF THE GROUP CONSISTING OF A BASE OF THE FORMULA
References Cited (Backward Citations)
US2991290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |