Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Reexamination Certificate
2006-09-12
2006-09-12
Gordon, Brian R. (Department: 1743)
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
C073S863320, C073S864000, C073S864010, C073S864020, C073S864110, C073S864160, C073S864180
Reexamination Certificate
active
07105130
ABSTRACT:
A pipette includes a housing defining a suction chamber. A piston is configured to move in the suction chamber. A first retainer mechanism includes a first threading configured to limit a motion of the piston in the suction chamber. A second retainer mechanism includes a second threading configured to limit the motion of the piston in the suction chamber, the second threading having a pitch less than a pitch of the first threading.
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Heinonen Mauno
Pullinen Tapani
Salo Vesa
Telimaa Juha
Gordon Brian R.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Thermo Electron Oy
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