US1965369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical products and processes for producing same
Assignee: EIDP Inc
•
Filing: 1932-01-26
•
Granted: 1934-07-03
•
Expires: 1952-01-26
Abstract
No abstract record available.
Inventors
- 👤 Wallace H Carothers
- 👤 Gerard J Berchet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:57
CPC Classifications
C; C07; C07C; C07C21/00; C07C21/02; C07C21/19; C07C21/20; C07C17/00; C07C17/013; C07C17/04; C07C17/25; C07C21/04; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16
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) | 1937-07-02 | 1938-01-01 | 1938-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-02 | 1942-01-01 | 1942-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-02 | 1946-01-01 | 1946-07-03 | $7700.00 | Window Closed / Lapsed |