US3515754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n-disubstituted amides
Assignee: United States Department of Agriculture
•
Filing: 1969-04-10
•
Granted: 1970-06-02
•
Expires: 1989-04-10
Abstract
No abstract record available.
Inventors
- 👤 Robert R Mod
- 👤 Frank C Magne
- 👤 Evald L Skau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
C; C07; C07C; C07C255/00; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3444197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |