US2857302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative laminates
Assignee: NAT PLASTIC PRODUCTS Co
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Filing: 1956-02-16
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Granted: 1958-10-21
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Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Burton Leonard
- 👤 Allan I Spear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:48
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24463; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
SUBSTANTIALLY FULLY CURED PLANULAR LAMINATED ARTICLE HAVING PLANE UPPER AND LOWER SURFACES COMPRISING AT LEAST ONE TOP SURFACE SHEET OF CELLULOSIC FIBROUS MATERIAL IMPREGANTED WITH A MELAMINE RESIN, A PLURALITY OF CORE SHEETS OF CELLULOSIC FIBROUS MATERIAL INPREGNATED WITH A PHENOLIC RESIN, AND AT LEAST ONE LOWER SHEET OF DOUBLE CREPED CELLULOSIC FIBROUS MATERIAL IMPREGNATED WITH A PHENOLIC RESIN.
Claim 2
Dependent Claim
59 words
SUBSTANTIALLY FULLY CURED PLANULAR LAMINATED ARTICLE HAVING PLANE UPPER AND LOWER SURFACES COMPRISING AT LEAST ONE TOP SURFACE SHEET OF CELLULOSIC FIBROUS MATERIAL IMPREGANTED WITH A MELAMINE RESIN, A PLURALITY OF CORE SHEETS OF CELLULOSIC FIBROUS MATERIAL INPREGNATED WITH A PHENOLIC RESIN, AND AT LEAST ONE LOWER SHEET OF DOUBLE CREPED CELLULOSIC FIBROUS MATERIAL IMPREGNATED WITH A PHENOLIC RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |