US1758616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for recovering quebrachitol from rubber latex serum
Assignee: Uniroyal Chemical Co Inc
•
Filing: 1925-12-02
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Granted: 1930-05-13
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Expires: 1945-12-02
Abstract
No abstract record available.
Inventors
- 👤 Mcgavack John
- 👤 George B Binmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:42
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/02; C07C35/08; C07C35/14; C07C35/16
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) | 1933-05-12 | 1933-11-11 | 1934-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-12 | 1937-11-11 | 1938-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-12 | 1941-11-11 | 1942-05-13 | $7700.00 | Window Closed / Lapsed |