Patent US3560255A successfully refreshed from Google Patents.
US3560255A
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US
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Composite wood-polymer product
Assignee: C W Maine & Sons Inc
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Filing: 1968-03-18
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Granted: 1971-02-02
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Expires: 1988-03-18
Abstract
Abstract A COMPOSITE WOOD-POLYMER PRODUCT COMPRISING WOOD IMPREGNATED FROM ITS SURFACE INWARDLY WITH A POLYMER OF TERT-BUTYLSTYRENE WHEREBY THE SURFACE IS SUBSTANTIALLY AS TOUGH AS FORMICA AND THE COMPOSITE PRODUCT ADVANTAGEOUSLY CAN BE USED IN THE MANUFACTURE OF FURNITURE OF FURNITURE AS DESKS, CHAIRS, CABINETS AND THE LIKE. THIS INVENTION ALSO RELATES TO A METHOD FOR THE PREPARATION OF SUCH A COMPOSITE PRODUCT.
Inventors
- 👤 Jack Maine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:17
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/15; B27D; B27D1/00; C; C08; C08L; C08L97/00; C08L97/02; B27K3/08; C08L25/00; C08L25/02; C08L25/16; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902; Y10T428/4935; Y10T428/662
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |