US3409646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoamides
Assignee: Rohm and Haas Co
•
Filing: 1965-08-10
•
Granted: 1968-11-05
•
Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 Homer J Sims
- 👤 Robert L Skiles
- 👤 Hans P Frohlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:32
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/20; C07D233/26; A; A01; A01N; A01N37/00; A01N37/18; A01N37/30; C07C; C07C233/00; C07C233/01; C07C233/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540171A
Cited
GB814452A
Cited
US2839732A
Cited
US2982633A
Cited
US3006848A
Cited
US3336384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |