US PATENT SUBCLASS 314 / 97
.~.~ Spring-biased

Current as of: June, 1999
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314 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES

92  DF  WITH MECHANICAL ENERGY-STORING DEVICE {2}
94  DF  .~ With electric motive power {2}
97.~.~ Spring-biased

DEFINITION

Classification: 314/97

(under subclass 94) Subject matter wherein the energy storing means is a spring.

(1) Note. Continue the search in subclasses 90 and 96 of this class.