US2428788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymerization products
Assignee: General Electric Co
•
Filing: 1939-10-31
•
Granted: 1947-10-14
•
Expires: 1959-10-31
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:52
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08F; C08F22/00; C08F22/10; C08F22/26; C08F22/28; C08F283/00; C08F283/01; C08G63/02; C08G63/12; C08G63/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2078194A
Cited
US1921756A
Cited
US1975959A
Cited
US2047398A
Cited
US2005414A
Cited
US2035528A
Cited
US2029410A
Cited
US2195362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |