US2742393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 2-mercaptopyridine-1-oxide
Assignee: Olin Corp
•
Filing: 1953-05-19
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Granted: 1956-04-17
•
Expires: 1973-05-19
Abstract
No abstract record available.
Inventors
- 👤 Bernstein Jack
- 👤 William A Lott
- 👤 Kathryn A Losee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/89; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
SALTS OF THE GROUP CONSISTING OF: AMINE-ADDITION SALTS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
12 words
SALTS OF THE GROUP CONSISTING OF: AMINE-ADDITION SALTS OF THE GENERAL 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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |