Patent US3386879A successfully refreshed from Google Patents.
US3386879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming board containing cellulosic fibers, thermosetting binder and pinewood resin
Assignee: Abitibi Power and Paper Co Ltd
•
Filing: 1965-04-12
•
Granted: 1968-06-04
•
Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Maxwell M Yan
- 👤 Stanley H Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:02
CPC Classifications
D; D21; D21J; D21J1/00; B; B27; B27N; B27N3/00
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |