Patent US3798117A successfully refreshed from Google Patents.
US3798117A
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Laminate comprising pigmented melamine resin modified nitrile rubber impregnated base and superimposed film
Assignee: Formica Corp
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Filing: 1972-03-15
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Granted: 1974-03-19
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Expires: 1992-03-15
Abstract
Abstract A DECORATIVE LAMINATE COMPRISING A HEAT AND PRESSURE CONSOLIDATED ASSEMBLY COMPRISING IN SUPERIMPOSED RELATIONSHIP AT LEAST ONE DRIED PAPER BASE SHEET IMPREGNATED WITH A PIGMENTED MIXTURE OF A NITRILE RUBBER LATEX AND A WATER DISPERSIBLE MELAMINE-FORMALDEHYDE RESIN SURFACED WITH A THERMOPLASTIC FILM BACK-PRINTED WITH A DESIGN THEREBY RENDERING THE FILM TRANSLUCENT OR A THERMOPLASTIC FILM PIGMENTED SO AS TO RENDER IT TRANSLUCENT.
Inventors
- 👤 A Guertin
- 👤 R Keeling
- 👤 W Schiermeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:15
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/10; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; B32B15/00; B32B15/04; B32B15/08; B32B27/18; B32B27/20; B32B27/22; B32B27/30; B32B27/304; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/048; B32B2317/00; B32B2317/12; B32B2317/122; B32B2327/00; B32B2327/06; B32B2451/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405; Y10T428/24628; Y10T428/24736; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
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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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |