US2340112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of blown fatty amides
Assignee: National Oil Products Co
•
Filing: 1940-04-09
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Granted: 1944-01-25
•
Expires: 1960-04-09
Abstract
No abstract record available.
Inventors
- 👤 Gifford D Davis
- 👤 William L Abramowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07C; C07C231/00; C07C231/02; C07C233/00; C07C233/01; C07C233/16; C07C233/17; C07C233/18; C07C303/00; C07C303/24
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) | 1947-01-24 | 1947-07-26 | 1948-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-24 | 1951-07-26 | 1952-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-24 | 1955-07-26 | 1956-01-25 | $7700.00 | Window Closed / Lapsed |