US4288490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine hood lining for automotive vehicles
Assignee: Dynamit Nobel AG
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Filing: 1976-03-16
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Granted: 1981-09-08
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Expires: 1996-03-16
Abstract
Abstract An engine hood lining for automotive vehicles has a continuous sheet-like body that is formed of a closed-cell polyethylene foam material and is shaped to fit the inside contour of a hood of the vehicle.
Inventors
- 👤 Franz-Werner Alfter
- 👤 Hans-Ulrich Breitscheidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:09
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/065; B32B27/18; B32B27/20; B32B27/30; B32B27/306; B32B27/32; B32B5/00; B32B5/18; B60; B60R; B60R13/00; B60R13/08; B60R13/0838; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/025; B32B2266/08; B32B2305/00; B32B2305/72; B32B2307/00; B32B2307/70; B32B2307/72; B32B2323/00; B32B2323/04; B32B2331/00; B32B2331/04; B32B2605/00; B32B2605/003; B32B2605/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24612; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249977; Y10T428/249981; Y10T428/249987; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
An engine hood lining for an automotive vehicle which comprises a contoured, one-piece, molded composite panel adapted to cover struts extending across the inside portion of a hood of an automotive vehicle, said composite panel consisting of a closed-cell polyethylene foam material laminated on at least one side with a non-foamed polymer sheet and being shaped by molding to have a contour that fits the inside contour of the hood of the vehicle, said non-foamed polymer sheet being a heavy-weight sheet containing a mineral filler, said non-foamed polymer being a copolymer of ethylene and vinyl acetate containing 50-90% by weight of barium sulfate as the filler.
Claim 2
Dependent Claim
106 words
An engine hood lining for an automotive vehicle which comprises a contoured, one-piece, molded composite panel adapted to cover struts extending across the inside portion of a hood of an automotive vehicle, said composite panel consisting of a closed-cell polyethylene foam material laminated on at least one side with a non-foamed polymer sheet and being shaped by molding to have a contour that fits the inside contour of the hood of the vehicle, said non-foamed polymer sheet being a heavy-weight sheet containing a mineral filler, said non-foamed polymer being a copolymer of ethylene and vinyl acetate containing 50-90% by weight of barium sulfate as the filler.
References Cited (Backward Citations)
US3065190A
Cited
US3651183A
Cited
US3455483A
Cited
US3391823A
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US3503841A
Cited
US3608006A
Cited
US3619343A
Cited
US3607603A
Cited
US3829150A
Cited
US3936565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-07 | 1985-03-09 | 1985-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-07 | 1989-03-09 | 1989-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-07 | 1993-03-09 | 1993-09-08 | $7700.00 | Window Closed / Lapsed |