US PATENT SUBCLASS 204 / 423
.~.~.~.~.~ With fugitive protective element

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
400  DF  .~.~ Analysis and testing {20}
421  DF  .~.~.~ Solid electrolyte {2}
422  DF  .~.~.~.~ Liquid sample sensor {1}
423.~.~.~.~.~ With fugitive protective element

DEFINITION

Classification: 204/423

With fugitive protective element:

(under subclass 422) Apparatus in which part of the sensor is designed to protect the remainder from environmental damage and having served this function is designed to decompose leaving the sensor element in contact with the liquid sample.

(1) Note. The subject matter of this subclass includes a cap or plug of resinous or resin containing material which is melted by the liquid sample.