US2443005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing vinyl esters
Assignee: EIDP Inc
•
Filing: 1944-12-09
•
Granted: 1948-06-08
•
Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:05
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/74; C07C67/00; C07C67/04; C08; C08F; C08F18/00; C08F18/20; C07C2601/00; C07C2601/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1084581A
Cited
US1241738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |