US3582428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plywood manufacture with controlled glue spread
Assignee: Pacific Adhesives Co Inc
•
Filing: 1969-04-17
•
Granted: 1971-06-01
•
Expires: 1989-04-17
Abstract
Abstract PLYWOOD IS MANUFACTURED BY SPREADING WITH GLUE THE SURFACES OF A SEQUENCE OF WOOD VENEERS, THE SPREAD VENEERS ARE ASSEMBLED IN PLYWOOD-FORMING ASSEMBLIES. THE ASSEMBLIES ARE STACKED SEQUENTIALLY AS THEY ARE FORMED. DURING THE SPREADING OPERATION THE AMOUNT OF GLUE SPREAD IS ALTERED PROGRESSIVELY TO APPLY TO THE SUCCESSIVE VENEERS THE OPTIMUM SPREAD DETERMINED BY THEIR ASSEMBLY TIME. THE RESULTING STACK THEN IS PRESSED TO CONSOLIDATE THE ASSEMBLIES AND BOND TOGETHER THEIR COMPONENT VENEERS.
Inventors
- 👤 Julius M Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:32
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B27G; B27G11/00; B27G11/005; Y; Y10; Y10S; Y10S118/00; Y10S118/04; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1744; Y10T156/1749
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |