US3427323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-alkoxyalkylcyanamides and their preparation
Assignee: EIDP Inc
•
Filing: 1966-07-12
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Granted: 1969-02-11
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Expires: 1986-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frank D Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:19
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/08; C07C; C07C261/00; C07C261/02; C07C273/00; C07C273/18; C07C273/1809; C07D203/16; C07D203/20; C07D203/26; C07D307/00; C07D307/02; C07D307/04; C07D307/18; C07D307/22; C07D307/24; C07D319/00; C07D319/10; C07D319/12; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0814; C08; C08F; C08F8/00; C08F8/30; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |