Patent US2007382A successfully refreshed from Google Patents.
US2007382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dispersions
Assignee: Celanese Corp
•
Filing: 1933-07-07
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Granted: 1935-07-09
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Expires: 1953-07-07
Abstract
No abstract record available.
Inventors
- 👤 Ockman Tobias
- 👤 Reeves George
- 👤 Stanley Edmund
- 👤 Olpin Henry Charles
- 👤 Ellis George Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:21
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0025; C09B67/0028; C09B67/0029
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) | 1938-07-08 | 1939-01-07 | 1939-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-08 | 1943-01-07 | 1943-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-08 | 1947-01-07 | 1947-07-09 | $7700.00 | Window Closed / Lapsed |