Education and demonstration – Means for demonstrating apparatus – product – or surface...
Patent
1981-09-15
1983-09-06
Skogquist, Harland S.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
434 98, G09B 2500
Patent
active
044026730
ABSTRACT:
A display holder to assist in the selection of mats and frames for a picture. The picture is placed on a flat mounting board. Mat corners are properly positioned at the corners of the picture by being received in step-like offsets formed in ledges extending along corners of the mounting board. Frame corners fit over the top of the ledges. Clamps secure the mat corners and picture in position. The mounting board is formed in two telescoping sections or in two sections slidably mounted on a base by dovetail connections to permit adjustment of the longitudinal dimension of the mounting board.
REFERENCES:
patent: 512691 (1894-01-01), Ford
patent: 841266 (1907-01-01), Northup
patent: 1558987 (1925-10-01), Kallscheur
patent: 1792948 (1931-02-01), Weil
patent: 2414183 (1947-01-01), Wolf
patent: 2442967 (1948-06-01), Barasch
patent: 3382595 (1968-05-01), Shore
patent: 3798798 (1974-03-01), Shore
patent: 3803729 (1974-04-01), Acerra
Bailey Craig B.
Nash Veronica F.
Skogquist Harland S.
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