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United States Patent D339,813
Houkom September 28, 1993

Backhoe-style boom

Claims


The ornamental design for a backhoe-style boom, as shown and described.
Inventors: Houkom; Robert L. (Burlington, IA)
Assignee: Case Corporation (Racine, WI)
Appl. No.: 07/717,122
Filed: June 18, 1991

Current U.S. Class: D15/32
Field of Search: D15/10,19-33 37/103 414/685,686,692,694

References Cited

U.S. Patent Documents
D273384 April 1984 Nasu et al.
D294032 February 1988 Whiffin
D312468 November 1990 Masumoto et al.
D319448 August 1991 Ball et al.
3376984 April 1968 Long et al.
3987914 October 1976 VanDerZyl et al.
4074821 February 1978 Long
4272222 June 1981 Davis
4329797 May 1982 Shumaker
4392314 July 1983 Albrecht et al.
4686782 August 1987 Nagatomo
4715771 December 1987 Hanson
4720234 January 1988 Stralow
4735547 April 1988 Wagner et al.
4906160 March 1990 Kaufman et al.
5108253 April 1992 Kobayashi et al.
Foreign Patent Documents
0365679 Dec., 1962 CH
0988844 Apr., 1965 GB

Other References

Case Accent on Loader/Backhoes Product Sheet dated Dec., 1987, J. I. Case Company, Racine, Wis. .
Advertisement entitled: "Cat Announces a Boom in Backhoe Loaders", p. 51 of Equipment Today, Aug. 1990. .
Advertisement of Ford 555C Xtra-Vator, p. 142 of "Equipment Today Showcase '90"..

Primary Examiner: Ansher; Bernard
Assistant Examiner: Morris; Sandra
Attorney, Agent or Firm: Rudnick & Wolfe

Description



FIG. 1 is a perspective view of an elongated backhoe-style boom showing my new design which is embodied in less than all of the backhoe-style boom article of manufacture;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a fragmentary bottom plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view thereof being a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a cross-sectional view thereof taken generally along planes 6--6 in FIG. 6.

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