Supports: racks – Knockdown – Foldable or collapsible
Patent
1990-03-22
1992-11-17
Johnson, Blair M.
Supports: racks
Knockdown
Foldable or collapsible
211 12, 211195, A47B 4300
Patent
active
051635690
ABSTRACT:
A collapsible support structure for receiving flexible grocery bags. The structure includes a locking mechanism which positively locks it in the open position and which semi-locks it in the closed position. The entire structure is composed of only two sizes of plastic panels.
REFERENCES:
patent: 2680501 (1954-06-01), Cunningham
patent: 3113400 (1963-12-01), Emond
patent: 3371840 (1968-03-01), Schlager et al.
patent: 3511404 (1970-05-01), Pearson
patent: 4082389 (1978-04-01), Stewart
patent: 4189056 (1980-02-01), Majewski
patent: 4795083 (1989-01-01), Johnske
Chan Korie H.
Johnson Blair M.
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