Grader blade attachment for back hoe

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Description

FIG. 1 is a perspective view of a grader blade attachment for back hoe showing my new design in use condition.

FIG. 2 is a front elevation view of the invention.

FIG. 3 is a rear elevation view of the invention.

FIG. 4 is a top plan view of the invention.

FIG. 5 is a left side view of the invention.

FIG. 6 is a bottom plan view of the invention.

FIG. 7 is a right side view of the invention; and,

FIG. 8 is a rear elevation view similar to FIG. 3, but with the grader blade attachment elevated to a higher position than that shown in FIG. 3.

The broken lines in FIGS. 1, 3, 5 and 8 are for purposes of illustration only and form no part of the claimed design.

Claims

The ornamental design for a grader blade attachment for back hoe, as shown and described.

Referenced Cited
U.S. Patent Documents
2774155 December 1956 Hipp
3234669 February 1966 Kachnik et al.
D216874 March 1970 Cline
D219809 February 1971 Coontz
3858662 January 1975 Reid
3881563 May 1975 Hammersmith
D248302 June 27, 1978 Zoller
4463507 August 7, 1984 Gaub
5411102 May 2, 1995 Nickels et al.
5427185 June 27, 1995 Seal
5529131 June 25, 1996 Van Ornum
D395436 June 23, 1998 Hagenbuch
5775438 July 7, 1998 Confoey et al.
D460463 July 16, 2002 Kubo et al.
Patent History
Patent number: D623668
Type: Grant
Filed: Jan 26, 2010
Date of Patent: Sep 14, 2010
Inventor: Sheldon Bissell (Mountain Ranch, CA)
Primary Examiner: Mark A Goodwin
Attorney: Heisler & Associates
Application Number: 29/348,666