US3385836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of diallyl phthalate prepolymers
Assignee: FMC Corp
•
Filing: 1965-09-08
•
Granted: 1968-05-28
•
Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Sol A Mednick
- 👤 Seglin Leonard
- 👤 William B Tuemmler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08; Y; Y10; Y10S; Y10S526/00; Y10S526/918
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2446314A
Cited
US3261391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |