US3378607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of solid copolymers
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-12-19
•
Granted: 1968-04-16
•
Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Alva M Jones
- 👤 Jr Jerome A Planchard
- 👤 Raymond A Speed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:19
CPC Classifications
C; C08; C08F; C08F297/00; C08F297/06; C08F297/08; C08F297/083; Y; Y10; Y10S; Y10S525/00; Y10S525/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR1258741A
Cited
US3301921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |