Land vehicles – Wheeled – Extensible
Patent
1981-11-20
1984-04-10
Mitchell, David M.
Land vehicles
Wheeled
Extensible
280 4726, 280 4718, 280652, 220 8, 220 19, B62B 112
Patent
active
044417349
ABSTRACT:
A telescopic 4-sided extension fits inside the frame of the shopping cart and is attached thereto with clips or a spring loaded catch for slidable vertical movement.
REFERENCES:
patent: 2711905 (1955-06-01), Allen
patent: 2812875 (1957-11-01), Buzicky
patent: 3214187 (1965-10-01), Fuerst
patent: 3236536 (1966-02-01), Shore
patent: 4004825 (1977-01-01), Green
McCarthy Joseph
Mitchell David M.
Reynolds Florence U.
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