Method of forming a molding surface for a shingle mold
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United States of America Patent
Stats
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N/A
Issued Date -
Dec 15, 2005
app pub date -
May 25, 2004
filing date -
May 25, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Improvements in composite shingle manufacturing are realized through the use of an acid etching solution along with machining to generate a molding surface particularly well suited for the molding of shingles having the look of 'natural' materials, such as slate. Upon the selection of a specific pattern that will define the primary shape for molded composite shingles, machine tools are used to cut the pattern into the base mold to form a molding surface. Finer details are then added to the molding surface through the use of an acid etch solution. The base mold with the sculpted molding surface may then be used in traditional molding techniques to produce composite shingles having an exposed surface that closely replicates the appearance of naturally occurring materials.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
EPOCH COMPOSITE PRODUCTS INC | 220 WEST FOURTH STREET JOPLIN MO 64802-1404 |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Carlson, Dennis D | Lamar, MO | 1 | 1 |
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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 |
---|---|---|---|
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 |
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