Education and demonstration – Means for demonstrating apparatus – product – or surface...
Patent
1986-03-14
1987-05-19
Grieb, William H.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
40390, 40530, 2484411, 281 25A, 281 45, G09B 112
Patent
active
046664092
ABSTRACT:
A holder for display cards comprising an upstanding back panel, a forwardly directed base flange integral with said panel, and a handle depending from said base flange. The upper surface of such base flange is provided a D-ring assembly which is or can be standard for class notebooks. Such assembly is preferably riveted to and against the upper surface of the base flange. The D-ring assembly is spaced from the forward surface of the upstanding back panel so as to accommodate a rearward leaning of upstanding cards retained by the D-ring assembly; the forward edges of the D-ring assembly and base flange are aligned, or proximately so, so that cards supported by the D-ring assembly and extending downwardly are in approximate vertical disposition. The spacing between the D-ring assembly and the back panel can be employed for a variety of purposes.
REFERENCES:
patent: 1296304 (1919-03-01), Marx
patent: 1900321 (1933-03-01), White
patent: 2278143 (1942-03-01), Matthews
patent: 2523202 (1950-09-01), Erickson
patent: 2982568 (1961-05-01), Wolfe
patent: 3934806 (1976-01-01), Rady
patent: 4515566 (1985-05-01), Sprague
Grieb William H.
Shaffer M. Ralph
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