Patent US3695968A successfully refreshed from Google Patents.
US3695968A
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Method of making a fibrous glass plastic encapsulated plywood or like core panel
Assignee: Morrison Ind Inc
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Filing: 1970-11-10
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Granted: 1972-10-03
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Expires: 1990-11-10
Abstract
Abstract A REINFORCED LASTIC ENCAPSULATED PLYWOOD AND LIKE CORE PANEL CURED AND FORMED IN MATCHED METAL DIES, THE PREFERRED FROM OF WHICH INCLUDES FIBROUS GLASS ROVING WRAPPED ABOUT EACH OF THE EDGES OF THE PLYWOOD; METHOD AND APPARATUS FOR MAKING THE SAME WHICH INCLUDE WINDING THE ROVING FROM SIDE TO SIDE AND END TO END ABOUT THE PLYWOOD CORE, APPLYING THE RESIN, AND FORMING AND CURING THE RESIN IN A PRESS HAVING SUCH DIES, AND THEN REMOVING FLASH FROM THE FINISHED PRODUCT.
Inventors
- 👤 Robert S Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:30
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/083; B29C63/00; B29C63/0017; B29C63/0021; B29C63/02; B29C63/04; B29C63/044; B29C70/68; B29C70/86; B29C70/865; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; B29K; B29K2711/00; B29K2711/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1034; Y10T156/1052; Y10T156/108; Y10T428/00; Y10T428/23; Y10T428/233; Y10T428/239; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |