US3157689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certificate of correction
Assignee: —
•
Filing: —
•
Granted: 1964-11-17
•
Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:28
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/34; C; C07; C07C; C07C255/00; C07C255/01; C07C255/24; C07C253/00; C07C253/22; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
9-B-CYANOETHYL-AMINO-10-HYDROXYSTEARNITRILE.
Claim 2
Dependent Claim
1 words
9-B-CYANOETHYL-AMINO-10-HYDROXYSTEARNITRILE.
References Cited (Backward Citations)
US2787633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |