US3458602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing polymeric blends
Assignee: Phillips Petroleum Co
•
Filing: 1962-12-31
•
Granted: 1969-07-29
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lyle W Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:29
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA586489A
Cited
US2683129A
Cited
US3004013A
Cited
US2918447A
Cited
US3256219A
Cited
US3060989A
Cited
US3057840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |