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Patent US2336370A successfully refreshed from Google Patents.
US2336370A
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Polymerizable and polymerized dicyandiamide-formaldehyde complexes
Assignee: Wyeth Holdings LLC
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Filing: 1940-04-23
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Granted: 1943-12-07
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Expires: 1960-04-23
Abstract
No abstract record available.
Inventors
- 👤 Kurt E Ripper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:25
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; C04B41/4815; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/49; D21H17/51; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/38
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) | 1946-12-06 | 1947-06-07 | 1947-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-06 | 1951-06-07 | 1951-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-06 | 1955-06-07 | 1955-12-07 | $7700.00 | Window Closed / Lapsed |