Heat treat furnace

- IHI Corporation
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Description

FIG. 1 is a perspective view of a heat treat furnace;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a heat treat furnace, as shown and described.

Referenced Cited
U.S. Patent Documents
D59220 October 1921 Haynes
3021833 February 1962 Kohorst
4125363 November 14, 1978 Hansen
D342125 December 7, 1993 Miller
Other references
  • U.S. Appl. No. 29/396,839, filed Jul. 7, 2011, Ueda, et al.
  • U.S. Appl. No. 29/396,844, filed Jul. 7, 2011, Ueda, et al.
Patent History
Patent number: D659231
Type: Grant
Filed: Jul 7, 2011
Date of Patent: May 8, 2012
Assignees: IHI Corporation (Tokyo), IHI Machinery and Furnace Co., Ltd. (Yokohama-shi)
Inventors: Ami Ueda (Yokohama), Kazuhiko Katsumata (Kakamigahara), Junji Inoue (Kakamigahara), Takahisa Shimada (Kakamigahara), Shinya Kudo (Yokohama)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Attorney: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Application Number: 29/396,842
Classifications
Current U.S. Class: Furnace (D23/329); Heating Or Cooling (D23/314)