Indicating test tube rack

Details Indicating test tube rack Indicating test tube rack

1979-01-02

1981-06-16

Evans, F. L.

Supports: racks

Special article

Receptacle support

211 73, 211 74, 350243, 356244, B01L 906, G02B 702

Patent

active

042734169

ABSTRACT:
There is herein disclosed a rack for test tubes and the like comprising means for maintaining said tubes in one of two alternating stable operating positions to record operations performed. A third optional grasping position holds tubes for such purposes as shipping, inverting or water bath incubation.

REFERENCES:
patent: 1188146 (1916-06-01), Bogley
patent: 1836138 (1931-12-01), Turner et al.
patent: 2902170 (1959-09-01), Miller
patent: 2917183 (1959-12-01), Seelye
patent: 2979210 (1961-04-01), Patterson
patent: 3142385 (1964-07-01), Kahlenberg
patent: 3199684 (1965-08-01), Bradley
patent: 3604566 (1971-09-01), Rem et al.
patent: 3923160 (1975-12-01), Hirano et al.
patent: 3948606 (1976-04-01), Johnson
patent: 4124122 (1978-11-01), Emmitt

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