Composite panels and methods of making composite panels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 12, 1987
Grant Date -
N/A
app pub date -
Jan 25, 1985
filing date -
Jan 28, 1984
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A composite panel, with a core member; a cover plate glued to the upper side of the core member, and also a cover plate glued to the lower side; and with an edge strip secured to the rim of the core member. The composite panel substantially avoids dimensional tolerance problems which can arise at the edge strip, and high demands made during technical use, and by designers, can be met by the panel. The edge strip includes two corner strips which extend centrally from the edge strip and which have a width which is precisely, i.e. with negligible tolerance, predetermined. The edge strip also has a central strip. The core member comprises peripheral ledges which extend centrally from the upper and lower sides with precisely predetermined thickness, and an intermediate component arranged between the ledges. The thickness of the peripheral ledges is adapted to the width of the corner strips of the edge strip.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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DUROPAL-WERK EBERH WREDE GMBH & CO KG | INDUSTRIEGELANDE BRUCHHAUSEN A CORP OF GERMANY ARNSBERG |
International Classification(s)

- 1985 Application Filing Year
- E04C Class
- 135 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Vinther, Knud | Solbjerg, DK | 5 | 100 |
# of filed Patents : 5 Total Citations : 100 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 17 Citation Count
- E04C Class
- 0 % this patent is cited more than
- 38 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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