US2163637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resin
Assignee: Monsanto Chemicals Ltd
•
Filing: 1935-07-31
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Granted: 1939-06-27
•
Expires: 1955-07-31
Abstract
No abstract record available.
Inventors
- 👤 Charles A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:20
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C09; C09D; C09D161/00; C09D161/04; C09D161/06
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) | 1942-06-26 | 1942-12-26 | 1943-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-26 | 1946-12-26 | 1947-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-26 | 1950-12-26 | 1951-06-27 | $7700.00 | Window Closed / Lapsed |