Grader blade attachment for back hoe
Description
The broken lines in
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
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
Classifications