US PATENT SUBCLASS 33 / 601
.~.~ Mechanical engine timing by piston contact in engine cylinder
Current as of:
June, 1999
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GEOMETRICAL INSTRUMENTS
501
DF
GAUGE
{61}
600
DF
.~ Automotive {10}
601
.~.~ Mechanical engine timing by piston contact in engine cylinder
DEFINITION
Classification: 33/601
Mechanical engine timing by piston contact in engine cylinder:
(under subclass 600) Subject matter wherein the gauge contacts a piston within an engine cylinder of an internal
combustion engine to note the piston position axially in the cylinder.
(1) Note. This subclass includes gauges for timing the exhaust or intake valve with respect to the piston position in the cylinder.
(2) Note. This subclass includes gauges for timing ignition by checking the position of the piston in a cylinder.
