Hydraulic excavator

Hiraoka , et al. February 13, 2

Patent Grant D437602

U.S. patent number D437,602 [Application Number D/106,979] was granted by the patent office on 2001-02-13 for hydraulic excavator. This patent grant is currently assigned to Hitachi Construction Machinery Co., Ltd.. Invention is credited to Kazuhiko Hiraoka, Toichi Hirata, Shingo Hirose, Masaki Kanahara, Yasushi Konomura, Kazuhiko Nishiyama, Tsuyoshi Sakyo, Koji Tahara, Akitaka Takeuchi, Kazuhisa Tamura, Yoshiki Yoshida.


United States Patent D437,602
Hiraoka ,   et al. February 13, 2001

Hydraulic excavator

Claims

The ornamental design for a hydraulic excavator, as shown and described.
Inventors: Hiraoka; Kazuhiko (Kodaira, JP), Hirose; Shingo (Kunitachi, JP), Nishiyama; Kazuhiko (Tokyo, JP), Takeuchi; Akitaka (Kodaira, JP), Yoshida; Yoshiki (Iruma, JP), Hirata; Toichi (Ushiku, JP), Kanahara; Masaki (Ibaraki-ken, JP), Sakyo; Tsuyoshi (Ibaraki-ken, JP), Konomura; Yasushi (Ibaraki-ken, JP), Tahara; Koji (Shimodate, JP), Tamura; Kazuhisa (Ishioka, JP)
Assignee: Hitachi Construction Machinery Co., Ltd. (Tokyo, JP)
Appl. No.: D/106,979
Filed: June 28, 1999

Foreign Application Priority Data

Dec 28, 1998 [JP] 10-38677
Current U.S. Class: D15/25
Current International Class: 1504
Field of Search: ;D15/10,22-26 ;37/403,411,443 ;414/685,686,688,722-724 ;180/89.13

References Cited [Referenced By]

U.S. Patent Documents
D271396 November 1983 Inui
D391272 February 1998 Jin et al.
3902295 September 1975 Yancey
4069637 January 1978 Braithwaite
4397481 August 1983 Dion et al.
5493796 February 1996 Ballew
5544435 August 1996 Somero
5590482 January 1997 Peterson et al.
Primary Examiner: Morris; Sandra L.
Attorney, Agent or Firm: Antonelli, Terry, Stout & Kraus, LLP.

Description



FIG. 1 is a front elevational view of a hydraulic excavator showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

* * * * *


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