Laboratory trays with lockable covers

Details Laboratory trays with lockable covers Laboratory trays with lockable covers

1975-12-31

1977-07-26

Marantz, Sidney

Textiles: fiber preparation

23259, 195139, C12B 100

Patent

active

040381498

ABSTRACT:
A laboratory tray with cup formations is on opposite sides of its upright circumferential wall provided with outwardly projecting pad formations with outer faces, with these pad formations registering with notches in a depending circumferential skirt on a cover in its closed position on the tray to clear the cover skirt and expose the outer pad faces in their entirety to an attendant's finger grasp for safe handling of the covered tray.

REFERENCES:
patent: 3107204 (1963-10-01), Brown
patent: 3297184 (1967-01-01), Andelin
patent: 3537956 (1970-11-01), Falcone
patent: 3597326 (1971-08-01), Liner
patent: 3692498 (1972-09-01), Frank
patent: 3729382 (1973-04-01), Shaffer
patent: 3745091 (1973-07-01), McCormick
patent: 3907505 (1975-09-01), Beall

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