Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jin Hao0
Date of Patent
December 29, 2009
0Patent Application Number
121271630
Date Filed
May 27, 2008
0Patent Primary Examiner
Patent abstract
A antenna (10) comprises a straight stem portion (11) and a spiral coiled portion (12) for providing the necessary length, but being compact enough for assembly in a pit tube (23) of a transmitter assembly (20) for subsurface enclosures for fluid meters.
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