US PATENT SUBCLASS 278 / 88
.~ Spring

Current as of: June, 1999
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278 /   HD   LAND VEHICLES: ANIMAL DRAFT APPLIANCES

86  DF  POLE SUPPORTS {2}
88.~ Spring {1}
89  DF  .~.~> Coil

DEFINITION

Classification: 278/88

Spring:

(under subclass 86) Subject matter wherein the support is a spring which resiliently supports the pole.