US PATENT SUBCLASS 219 / 456.1
.~.~.~.~ Ring having a flange overlaying hole in a surrounding support surface

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
385  DF  .~ Combined with container, enclosure, or support for material to be heated {12}
443.1  DF  .~.~ Exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) {13}
451.1  DF  .~.~.~ Having support for a heating unit {5}
456.1.~.~.~.~ Ring having a flange overlaying hole in a surrounding support surface

DEFINITION

Classification: 219/456.1

Ring having a flange overlying hole in a surrounding support surface:

(under subclass 451.1) Subject matter wherein the support is a band having a circumferential projection greater than an exterior opening in a means that surrounds and bears up or holds up, or is a foundation or prop for the band having a circumferential projection.