US3597262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of wood-synthetic resin combinations
Assignee: DEUTSCHE GOLD- und SILVER-SCHEIDEANSTALT VORMALS ROESSLER
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Filing: 1968-06-18
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Granted: 1971-08-03
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Expires: 1988-06-18
Abstract
Abstract IN THE PRODUCTION OF WOOD-SYNTHETIC RESIN COMBINATIONS BY IMPREGNATION OF WOOD WITH A LIQUID POLYMERIZABLE COMPOSITION AND CURING THE POLYMERIZABLE COMPOSITION TAKEN UP BY THE WOOD, THE IMPREGNATED WOOD IS COATED PRIOR TO CURING WITH AN AQUEOUS OR ALCOHOLIC SOLUTION OF A FILM FORMING SUBSTANCE HAVING HYDROPHILIC GROUPS AND WHICH SUBSTANCE IS INSOLUBLE IN THE IMPREGNATING COMPOSITION.
Inventors
- 👤 Erich Bader
- 👤 Hubert Koert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:31
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; B05D1/00; B05D1/18
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |