US PATENT SUBCLASS 126 / 695
.~.~.~ Elliptical

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
684  DF  .~ With concentrating reflector {5}
692  DF  .~.~ Line focus {3}
695.~.~.~ Elliptical

DEFINITION

Classification: 126/695

Elliptical:

(under subclass 692) Apparatus wherein the first surface is shaped like a closed plane curve generated by a point so moving that its distance from a fixed point divided by its distance from a fixed line is a positive constant less than one.