US3418296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer concentrate and oil composition
Assignee: Dow Chemical Co
•
Filing: 1965-07-01
•
Granted: 1968-12-24
•
Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bearden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:25
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1812; C08F220/1818; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2987509A
Cited
US3163605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |