Patent US4666768A successfully refreshed from Google Patents.
US4666768A
Expired / Lapsed
US
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Foam panel
Assignee: Irbit Research and Consulting AG
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Filing: 1986-07-07
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Granted: 1987-05-19
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Expires: 2006-07-07
Abstract
Abstract Foam panel with a skin provided on at least one surface and formed by melting of the foam material, characterized in that the skin is covered by a silicone layer.
Inventors
- 👤 Rolf Tschudin-Mahrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:55
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/18; B32B27/00; B32B27/06; B32B27/065; B32B27/28; B32B27/283; B60; B60R; B60R13/00; B60R13/08; B32B2305/00; B32B2305/02; B32B2305/022; B32B2307/00; B32B2307/10; B32B2307/102; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2605/00; B32B2605/08; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249955; Y10T428/249987; Y10T428/249988; Y10T428/249991; Y10T428/249992; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
32 words
Foam panel with a skin provided on at least one surface and formed by melting of the foam material, characterized in that the skin (7) is covered by a silicone layer (8).
Claim 2
Dependent Claim
32 words
Foam panel with a skin provided on at least one surface and formed by melting of the foam material, characterized in that the skin (7) is covered by a silicone layer (8).
Claim 3
Dependent Claim
28 words
Foam panel according to claim 1, characterized in that the thickness (x) of the silicone coating (silicone layer 8) equals approximately the thickness (y) of the skin (7).
References Cited (Backward Citations)
US3104192A
Cited
GB869565A
Cited
US3539144A
Cited
US3443007A
Cited
US3582095A
Cited
JPH102335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-18 | 1990-11-17 | 1991-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-18 | 1994-11-17 | 1995-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-18 | 1998-11-17 | 1999-05-19 | $7700.00 | Window Closed / Lapsed |