Patent US3325530A successfully refreshed from Google Patents.
US3325530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making organosilicon copolymers
Assignee: General Electric Co
•
Filing: 1966-04-18
•
Granted: 1967-06-13
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Tse C Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:17
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2695307A
Cited
US3202634A
Cited
US3122579A
Cited
US3135777A
Cited
US3200137A
Cited
FR1405596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |