US PATENT SUBCLASS 267 / 112
.~.~.~ Secured by resilient connectors

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

80  DF  SPRING PANEL {9}
110  DF  .~ Panel secured peripherally to supporting frame {1}
111  DF  .~.~ Panel secured to tension frame inwardly {1}
112.~.~.~ Secured by resilient connectors

DEFINITION

Classification: 267/112

(under subclass 111) Device wherein the surface is attached to the frame by elastic devices.