Heat proof guard rail for industrial furnaces
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The claimed design is shown broken away to indicate indeterminate length. The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.
Claims
The ornamental design for a heat proof guard rail for industrial furnaces, as shown and described.
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Type: Grant
Filed: Oct 11, 2006
Date of Patent: Sep 16, 2008
Assignee: Kureha Corporation (Tokyo)
Inventors: Katsuhiro Yusa (Fukushima), Yasushi Okada (Fukushima), Shigetoshi Ajima (Fukushima)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Jacobson Holman PLLC
Application Number: 29/267,268