US1964001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic process for the preparation of organic compounds
Assignee: EIDP Inc
•
Filing: 1930-07-23
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Granted: 1934-06-26
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Expires: 1950-07-23
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Lazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:41
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/39; C07C67/40; C07C29/00; C07C29/09; C07C29/10; C07C29/132; C07C29/136; C07C29/147; C07C29/149; C07C29/15; C07C29/151; C07C29/153; C07C29/154; C07C45/00; C07C45/002
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) | 1937-06-25 | 1937-12-25 | 1938-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-25 | 1941-12-25 | 1942-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-25 | 1945-12-25 | 1946-06-26 | $7700.00 | Window Closed / Lapsed |