US2389415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of the modified urea-aldehyde type
Assignee: General Electric Co
•
Filing: 1939-02-17
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Granted: 1945-11-20
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Expires: 1959-02-17
Abstract
No abstract record available.
Inventors
- 👤 Alelic Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:05
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/043; C08G12/046; C08G12/22
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) | 1948-11-19 | 1949-05-21 | 1949-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-19 | 1953-05-21 | 1953-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-19 | 1957-05-21 | 1957-11-20 | $7700.00 | Window Closed / Lapsed |