US2372624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing aliphatic oxyamines
Assignee: Wyeth Holdings LLC
•
Filing: 1941-10-04
•
Granted: 1945-03-27
•
Expires: 1961-10-04
Abstract
No abstract record available.
Inventors
- 👤 Erwin L Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:37
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04; D; D06; D06M; D06M13/00; D06M13/322; D06M13/368; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-03-26 | 1948-09-25 | 1949-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-26 | 1952-09-25 | 1953-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-26 | 1956-09-25 | 1957-03-27 | $7700.00 | Window Closed / Lapsed |