US2485059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melamine condensation product
Assignee: Monsanto Chemicals Ltd
•
Filing: 1944-05-06
•
Granted: 1949-10-18
•
Expires: 1964-05-06
Abstract
No abstract record available.
Inventors
- 👤 Harold W Mohrman
- 👤 Francis E Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G12/32; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197357A
Cited
US2387547A
Cited
US2191362A
Cited
CH206608A
Cited
US2260239A
Cited
GB535408A
Cited
US2320818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |