US3219659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-oleoyl-2-ethylethylenimine
Assignee: Individual
•
Filing: 1965-04-13
•
Granted: 1965-11-23
•
Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Evald L Skau
- 👤 Robert M Mod
- 👤 Frank C Magne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:07
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07D203/00; C07D203/04; C07D203/06; C07D203/16; C07D203/18; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/16; C07D295/20; C07D295/205; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 0
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |