Tractor linkage hook

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Description

FIG. 1 is a side view of a tractor linkage hook showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is an opposite side view of FIG. 1;

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof.

FIGS. 1, 3, and 4 include an oval shape with lettering. This feature is shown in broken lines and is disclaimed as part of the claimed invention.

Claims

The ornamental design for a tractor linkage hook, as shown and described.

Referenced Cited
U.S. Patent Documents
2295021 September 1942 Weiss
2429761 October 1947 Ketel
2431694 December 1947 Johnson
3977698 August 31, 1976 von Allworden
4014562 March 29, 1977 Kunze
4023822 May 17, 1977 Geisthoff et al.
4050715 September 27, 1977 von Allworden
4071263 January 31, 1978 Kunze
4108464 August 22, 1978 von Allworden et al.
4147374 April 3, 1979 Jeffes
4157838 June 12, 1979 von Allworden
4279431 July 21, 1981 Schott
4366967 January 4, 1983 Vollmer et al.
4398745 August 16, 1983 Azzarello et al.
4790557 December 13, 1988 Klingler
5050684 September 24, 1991 Vollmer
5441117 August 15, 1995 Fartmann et al.
5497835 March 12, 1996 Laubner et al.
6422322 July 23, 2002 Hoffart
7225883 June 5, 2007 Yamada et al.
D620501 July 27, 2010 Ergodan et al.
20050115723 June 2, 2005 Ollefs et al.
Patent History
Patent number: D661322
Type: Grant
Filed: Jul 23, 2010
Date of Patent: Jun 5, 2012
Assignee: Dovsan Dovme Celik ve Metal San ve Tic. Limited Sirketi (Istanbul)
Inventors: Mehmet Ergodan (Istanbul), Mesut Ergodan (Istanbul), Muzaffer Cakmakci (Istnabul)
Primary Examiner: Mark Goodwin
Attorney: Venable, Campillo, Logan & Meaney, P.C.
Application Number: 29/366,397
Classifications
Current U.S. Class: Element Or Attachment (4) (D15/28)