Land vehicles – Wheeled – Extensible
Patent
1988-09-06
1990-10-23
Marmor, Charles A.
Land vehicles
Wheeled
Extensible
280651, 280659, 280 4734, B62B 302
Patent
active
049646508
ABSTRACT:
A plastic janitorial x-frame cart which is stable when in the closed position. The cart contains a circular rotator which allows the unit to take advantage of the symmetry of legs. Further the unit contains a bottom tray with elevated ends.
REFERENCES:
patent: 2967716 (1961-01-01), Murcott
patent: 3106409 (1963-10-01), Berlin
patent: 3633932 (1972-01-01), Holden
patent: 3967803 (1976-07-01), Kienlen et al.
patent: 4488650 (1984-12-01), Licari
patent: 4549748 (1985-10-01), Haley, Sr.
Continental Manufacturing Catalogue sheet p. 18, pre 1988 catalogue.
1985 Rubbermaid X Frame Catalogue Sheet.
Cleaning Management pp.28-34, article on Rubbermaid X-Frame.
Contico International Inc.
Finlay Tamara L.
Marmor Charles A.
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