US2394761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical product and process for making the same
Assignee: EIDP Inc
•
Filing: 1943-04-23
•
Granted: 1946-02-12
•
Expires: 1963-04-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:23
CPC Classifications
C; C14; C14C; C14C3/00; C14C3/02; C14C3/08; C14C3/26; C08; C08F; C08F8/00; C08F8/34; C08F8/36; C08F8/44
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) | 1949-02-11 | 1949-08-13 | 1950-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-11 | 1953-08-13 | 1954-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-11 | 1957-08-13 | 1958-02-12 | $7700.00 | Window Closed / Lapsed |