US3563844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood overlay products and their manufacture
Assignee: Monsanto Co
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Filing: 1968-12-02
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Granted: 1971-02-16
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Expires: 1988-12-02
Abstract
Abstract COMPOSITE LOW DENSITY WOOD-RESIN OVERLAYS PREPARED BY COMPRESSING A COMPOSITE LAYERED STRUCTURE WHICH INCLUDES A MAT OF RESIN COATED COMMINUTED WOOD CHIPS, AN INTERLAYER OF A WOOD FIBER AND PHENOLIC RESIN AND A FACE COATING OF A CERTAIN PHENOLIC RESIN. THE OVERLAYS ARE USEFUL AS SYNTHETIC FACING VENEERS IN PLYWOOD MANUFACTURE.
Inventors
- 👤 Gordon E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
B; B27; B27D; B27D1/00; C; C08; C08L; C08L97/00; C08L97/02; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249925; Y10T428/25; Y10T428/31504; Y10T428/31942; Y10T428/31946; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31989
Claims Analysis
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |