Well tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 10, 1981
Grant Date -
N/A
app pub date -
Jul 25, 1979
filing date -
Jul 25, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sinker bar connectable to other sinker bars, sucker rods and the reciprocable operator of a down hole pump by use of conventional elevator and hoist connectors without the use of auxiliary devices such as pony sucker rods, the sinker bar having a reduced intermediate portion below the top portion thereof engageable by a conventional elevator connector and an external annular groove in the top portion constituting means engageable by a conventional hoist connector.
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International Classification(s)
Cited Art Landscape
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