US3470137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inter se copolymers of bicyclo(1.1.0)butanes
Assignee: EIDP Inc
•
Filing: 1967-02-14
•
Granted: 1969-09-30
•
Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Elwood P Blanchard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:03
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C07; C07C; C07C205/00; C07C205/05; C07C31/00; C07C31/13; C07C31/137; C07C317/00; C07C327/00; C07C5/00; C07C5/22; C07C5/27; C07C5/31; C07C2602/00; C07C2602/02; C07C2602/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3234264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |