Heat proof guard rail for industrial furnaces
Yusa , et al. February 10, 2
U.S. patent number D586,453 [Application Number D/267,266] was granted by the patent office on 2009-02-10 for heat proof guard rail for industrial furnaces. This patent grant is currently assigned to Kureha Corporation. Invention is credited to Shigetoshi Ajima, Yasushi Okada, Katsuhiro Yusa.
| United States Patent | D586,453 |
| Yusa , et al. | February 10, 2009 |
Heat proof guard rail for industrial furnaces
Claims
CLAIM The ornamental design for a heat proof guard rail for industrial furnaces, as shown and described.
| Inventors: | Yusa; Katsuhiro (Fukushima, JP), Okada; Yasushi (Fukushima, JP), Ajima; Shigetoshi (Fukushima, JP) |
|---|---|
| Assignee: | Kureha Corporation (Tokyo,
JP) |
| Appl. No.: | D/267,266 |
| Filed: | October 11, 2006 |
Foreign Application Priority Data
| Apr 11, 2006 [JP] | 2006-009444 | |||
| Current U.S. Class: | D23/386 |
| Current International Class: | 2303 |
| Field of Search: | ;D23/386,329,357,393,323,499,341,354,373,328,355 ;D8/349,366,377,381,382,354 ;D25/119,60,136 ;52/198,199,302.1,57,60,58 ;248/48.2,200,237,208.236,247,300 ;160/223 ;285/363,364 |
References Cited [Referenced By]
U.S. Patent Documents
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Assistant Examiner: Muller; David G
Attorney, Agent or Firm: Jacobson Holman PLLC
Description
FIG. 1 is a front perspective view of the heat proof guard rail for industrial furnaces showing its indefinite length.
FIG. 2 is a rear perspective view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is a rear view thereof.
FIG. 5 is a top view thereof.
FIG. 6 is a bottom view thereof.
FIG. 7 is a right side view thereof, the left side view being a mirror image.
FIG. 8 is a perspective view depicting the article in use in an industrial furnace; and,
FIG. 9 is a section view taken along line 9--9 of FIG. 8.
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.
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