Gas cylinder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 11, 2005
Grant Date -
Dec 9, 2004
app pub date -
Jun 4, 2003
filing date -
Jun 4, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a gas cylinder including: a spindle at least having a flange washer of a cavity shape having a region D1 and a region D2 whose inner diameters are different; a piston inserted to the open inside of the spindle; a piston rod whose one end is fixed in the piston; a base tube having a mounting member on which the lower end of the spindle is mounted with the mounting member inserted to the flange washer; and a pipe holder inserted to the tapered portion in the upper part of the spindle.
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