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United States Patent	D251,770
Fredriksson	May 8, 1979

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The ornamental design for a ball bearing swivel for a hook assembly, as shown and described.

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Inventors:	Fredriksson; Lars (Vaxjo, SE)
Assignee:	K A Bergs Smide AB (
Appl. No.:	05/808,824
Filed:	June 22, 1977

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Foreign Application Priority Data

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Dec 23, 1976 [SE]			76002554

Current U.S. Class:	D8/367 ; D8/355
Current International Class:	D0808
Field of Search:	294/78R,82R 254/192,188 D8/354,355,367,372,382 24/235,234,233

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References Cited

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U.S. Patent Documents

224738	February 1880	Skinner
D241814	October 1976	Fredriksson
2661232	December 1953	Long
2980400	April 1961	Long
3278163	October 1966	Marks et al.

Primary Examiner: Word; A. Hugo
Attorney, Agent or Firm: Denson; William D.

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Description

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FIG. 1 is a perspective view of a ball bearing swivel for a hook assembly showing my new design;

FIG. 2 is a perspective view of my ball bearing swivel for a hook assembly as seen from the rear right in FIG. 1;

FIG. 3 is a side view of my ball bearing swivel for a hook assembly as seen from the rear right in FIG. 2;

FIG. 4 is a front view corresponding to FIG. 3; and

FIG. 5 is a top plan view corresponding to FIG. 4.

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