US2712558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
9-and 10-hydroxyoctadecylamines
Assignee: Armour and Co
•
Filing: 1950-02-18
•
Granted: 1955-07-05
•
Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 Wal Robert J Vander
- 👤 Harwood James
- 👤 Richard A Reck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:32
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/02; C07C215/40; C07C215/04; C07C215/06; C07C215/08; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069302A
Cited
US2586325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |