Lifting box

- Blankenship Corporation
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Description

FIG. 1 is a top plan view of a lifting box showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top perspective view showing the top, left side and front side thereof; and,

FIG. 6 is bottom perspective view showing the bottom, right side and back side thereof.

Referenced Cited
U.S. Patent Documents
D167622 September 1952 Erickson
D188073 May 1960 Lovell
D199642 November 1964 Beesley et al.
D200602 March 1965 Matthias et al.
D231772 June 1974 Gary et al.
D231905 June 1974 Rehrig et al.
D306227 February 20, 1990 Ross
D326587 June 2, 1992 Convertini
D347143 May 24, 1994 Awyong
D370999 June 25, 1996 Umiker
D374121 October 1, 1996 Provot
3005568 October 1961 Clune et al.
3186586 June 1965 Box
3339796 September 1967 Struble
3506154 April 1970 Barnes
Patent History
Patent number: D412788
Type: Grant
Filed: Jun 25, 1996
Date of Patent: Aug 17, 1999
Assignee: Blankenship Corporation (Macon, GA)
Inventors: Earl Van Wagoner (Macon, GA), Keith L. Blankenship (Macon, GA)
Primary Examiner: M. N. Pandozzi
Law Firm: Thomas, Kayden, Horstemeyer & Risley
Application Number: 0/56,213
Classifications
Current U.S. Class: D/3307; D3/308
International Classification: 0301;