US2991215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated panels and method of manufacture
Assignee: Polymer Industries Inc
•
Filing: 1956-05-29
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Granted: 1961-07-04
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Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Howard L Kane
- 👤 Konigsberg Moses
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:24
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B32; B32B; B32B27/00; B44C5/043; D; D21; D21J; D21J1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31942; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A METHOD OF PRODUCING A LAMINATED PANEL ASSEMBLY WHICH CONSISTS IN THE STEPS OF PLACING A LAYER OF MELAMINE RESIN IMPREGNATED OVERLAY PAPER OVER A DECORATIVE SHEET HAVING 40% TO 50% TRANSPARENT MELAMINE FORMALDEHYDE RESIN INCORPORATED THEREIN, MOUNTING SAID OVERLAY PAPER AND DECORATIVE SHEET ON A COMPRESSIBLE PRESSURE EQUALIZING LAYER OF FIBROUS FELTED CELLULOSIC MATERIAL, SAID LAYER BEING APPROXIMATELY 1/4 INCH IN THICKNESS AND HAVING FROM 3% TO 50% RESINOUS MATERIAL INCORPORATED THEREIN OF WHICH APPROXIMATELY 7% TO 10% IS THERMOSETTING RESIN AND THE REMAINDER THERMOPLASTIC RESINS, AND SUBJECTING THE PANEL ASSEMBLY TO NOT MORE THAN 350*F. HEAT AND NOT MORE THAN 400 P.S.I. PRESSURE TO FORM A UNITARY LAMINATED STRUCTURE.
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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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |