Stackable leveling block

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Description

FIG. 1 is a front perspective view of a stackable leveling block showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D229042 November 1973 Melnick et al.
D370762 June 11, 1996 Young, Jr. et al.
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D407178 March 23, 1999 Evans
3162973 December 1964 Christiansen
3487579 January 1970 Brettingen
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3710733 January 1973 Story
4026086 May 31, 1977 Langley
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5749555 May 12, 1998 Albrecht
Foreign Patent Documents
242955 February 1960 AUX
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374571 September 1939 ITX
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Patent History
Patent number: D426933
Type: Grant
Filed: Jun 4, 1999
Date of Patent: Jun 20, 2000
Inventor: Robert W. Redfern (S. Padre Island, TX)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Cynthia Ramirez
Law Firm: Townsend&Townsend&Crew LLP
Application Number: 0/105,973
Classifications
Current U.S. Class: Pallet (D34/38); Rectangular (D21/491)
International Classification: 0908;