Bent spine board

Description

FIG. 1 is a perspective view of the bent spine board embodying the design of the present invention;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
2141100 December 1938 Warden
2400426 May 1946 Lipstay
2715737 August 1955 Sacks
3403411 October 1968 Steinemann
3611454 June 1970 Klippel
3890659 June 1975 Straubs
4033000 July 5, 1977 Bonifay
4369982 January 25, 1983 Hein
4584729 April 29, 1986 Roberts
Patent History
Patent number: D338177
Type: Grant
Filed: Nov 5, 1990
Date of Patent: Aug 10, 1993
Inventor: LaRon Kimball (Grace, ID)
Primary Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 7/608,895