Lifting device for a storage box

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Description

FIG. 1 is a front perspective view of a lifting device for a storage box showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a bottom perspective view thereof; and

FIG. 4 is a top perspective view thereof, showing the lifting device in lowered condition.

Referenced Cited
U.S. Patent Documents
D237700 November 1975 Clarke
4328951 May 11, 1982 Laupper
4545463 October 8, 1985 Olovsson
4674938 June 23, 1987 Van Stokes et al.
Foreign Patent Documents
2148561 April 1973 DEX
2018222 October 1979 GBX
Patent History
Patent number: D297679
Type: Grant
Filed: Nov 13, 1985
Date of Patent: Sep 13, 1988
Inventor: Gunnar Olovsson (S-981 03 Kiruna)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 6/805,105
Classifications
Current U.S. Class: Conveying, Lifting, Or Transferring Article (D34/28)