US2008252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal complex compound solution
Assignee: Winthrop Chemical Co Inc
•
Filing: 1933-09-30
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Granted: 1935-07-16
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Expires: 1953-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jostes Fritz
- 👤 Andersag Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/28; C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07F; C07F1/00; C07F1/005; C07F15/00; C07F15/06; C07F3/00; C07F3/003
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) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |