US2433015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of ethylene with organic carboxylic acids
Assignee: EIDP Inc
•
Filing: 1945-03-17
•
Granted: 1947-12-23
•
Expires: 1965-03-17
Abstract
No abstract record available.
Inventors
- 👤 John R Roland
- 👤 Harmon Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:21
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/124; C23F11/126; C07; C07C; C07C51/00; C07C51/347; C07C51/353
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951747A
Cited
US2032159A
Cited
US2093695A
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US2079652A
Cited
US2174985A
Cited
US2395292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |