US3514425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising silica and copolymers of fluoroethylenes with allyl alcohol
Assignee: EIDP Inc
•
Filing: 1966-09-29
•
Granted: 1970-05-26
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Engene Herman Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:45
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/12; C08F16/00; C08F214/00; C08F214/18; C08F214/24; C08F214/245; C08F214/26; C08F214/265; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C08L; C08L83/00; C08L83/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |