US2951092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triamine derivatives
Assignee: Olin Corp
•
Filing: 1956-12-13
•
Granted: 1960-08-30
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Francis A Sowinski
- 👤 William A Lott
- 👤 Bernstein Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/04; C07C275/06; C07C275/14; C07D; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASES OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2453057A
Cited
US2489363A
Cited
GB656043A
Cited
US2619502A
Cited
US2624759A
Cited
US2772312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |