US2294590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd resins combined with aminotriazine-aldehyde resins
Assignee: Wyeth Holdings LLC
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Filing: 1939-02-18
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Granted: 1942-09-01
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Expires: 1959-02-18
Abstract
No abstract record available.
Inventors
- 👤 West Herbert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
C; C09; C09D; C09D167/00; C08; C08G; C08G12/00; C08G12/46; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48; C08G63/68; C08G63/685; C08G63/6854; C08L; C08L67/00; C09D167/08
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) | 1945-08-31 | 1946-03-02 | 1946-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-31 | 1950-03-02 | 1950-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-31 | 1954-03-02 | 1954-09-01 | $7700.00 | Window Closed / Lapsed |