US3418260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imidazole-borane polymers
Assignee: EIDP Inc
•
Filing: 1966-01-20
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Granted: 1968-12-24
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Expires: 1986-01-20
Abstract
No abstract record available.
Inventors
- 👤 Trofimenko Swiatoslaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:22
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/08; C10; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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 |