US3813463A
Expired / Lapsed
US
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Method of molding embossed foamed polymethane laminates
Assignee: Motor Wheel Corp
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Filing: 1971-07-29
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Granted: 1974-05-28
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Expires: 1991-07-29
Abstract
Abstract THIS INVENTION RELATES TO THE PREPARATION OF LAMINATES USEFUL AS BUILDING BOARDS OR PANELS BY FORMING A FOAM WITHIN A MOLD WHICH HAS DECORATIVE FILMS RELEASABLY ADHERED TO THE MOLD SURFACE WHERE THE FOAM MATERIAL IS A RIGID POLYURETHANE WHICH HAS SUBSTANTIAL IMPACT RESISTANCE.
Inventors
- 👤 M Conger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:04
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/002; B32B29/007; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/146; B32B27/00; B32B27/06; B32B27/065; B32B27/30; B32B27/304; B32B27/36; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/205; B29C33/00; B29C33/34; B29C33/36; B29K; B29K2075/00; B29K2105/00; B29K2105/04; B29K2105/043; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2327/00; B32B2327/06; B32B2367/00; B32B2607/00; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10S264/17
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |