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Main nut for hydraulic jacks
D305823 Main nut for hydraulic jacks
Patent Drawings:Drawing: D305823-2    
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(1 images)

Inventor: Persson
Date Issued: January 30, 1990
Application: 07/216,437
Filed: July 7, 1988
Inventors: Persson; Anders (Eskilstuna, SE)
Assignee: Aktiebolaget Nike (Eskilstuna, SE)
Primary Examiner: Burke; Wallace R.
Assistant Examiner:
Attorney Or Agent: Frishauf, Holtz, Goodman & Woodward
U.S. Class: D34/31
Field Of Search: D34/31; 254/93H; 254/93R; 254/102; 248/354.5
International Class:
U.S Patent Documents: D140518; D173695; 4746097
Foreign Patent Documents:
Other References: Brochure "Nike 2000" Cover page and pp. 2-11 and back page, published Oct. 1984..
Brochure "Martinetti Idraulici a Bottiglia" two pages, 1974..
Advertisement "Hydraulic Bottle Jack" Aug. 1987..
Brochure "Intermarket Inc." Cover page and p. 6..
Brochure "F. Rassant" Cover page and page entitled Crics Portatifs Hydrauliques..
Advertisement-"Original Weber Hydraulic"-Made in West Germany, two pages..









Abstract:
Claim: The ornamental design for a main nut for hydraulic jacks, as shown and described.
Description: FIG. 1 is a front elevational view of a main nut for hydraulic jack showing my new design, the rear view being a mirror image of that shown. The broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of that shown.

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom perspective view thereof.

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