US2773788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate and resinous composition
Assignee: Wyeth Holdings LLC
•
Filing: 1955-01-13
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Granted: 1956-12-11
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Expires: 1975-01-13
Abstract
No abstract record available.
Inventors
- 👤 John K Magrane
- 👤 Jr William S Sloatman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:41
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08L; C08L61/00; C08L61/20; C08L61/32; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A LAMINATE COMPRISING THE HEAT AND PRESSURE CONSOLIDATED STRUCTURE OF A CORE STOCK IMPREGNATED WITH 25%-35% BY WEIGHT OF A THERMOSETTING RESINOUS COMPOSITION, A 6-12 MIL PRINT SHEET IMPREGNATED WITH FROM ABOUT 35% TO ABOUT 45% BY WEIGHT OF A MELAMINEFORMALDEHYDE RESINOUS COMPOSITION AND A 2-5 MIL OVERLAY SHEET IMPREGNATED WITH FROM ABOUT 60% TO ABOUT 75% BY WEIGHT OF A MELAMINE-FORMALDEHYDE RESINOUS COMPOSITION; WHEREIN THE MELAMINE-FORMALDEHYDE RESINOUS COMPOSITIONS CONTAIN FROM ABOUT 1% TO ABOUT 35% BY WEIGHT OF A MIXTURE OF (1) A A-ALKYL-D-GLUCOSIDE, WHEREIN THE ALKYL GROUP THEREOF CONTAINS FROM ABOUT 1 TO 4 CARBON ATOMS AND (2) THE METHYLOL DERIVATIVE OF A COMPOUND CONTAINING THE GROUP
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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |