US PATENT SUBCLASS 49 / 390
.~.~ Closure portions on opposite sides of portal in open position

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

381  DF  WITH MEANS MOUNTING CLOSURE FOR SWINGING {13}
388  DF  .~ Pivots on opposed portal members {2}
390.~.~ Closure portions on opposite sides of portal in open position {2}
391  DF  .~.~.~> Inclined opposed member; e.g., vent window-type
392  DF  .~.~.~> Diagonally opposed stops or seals {1}

DEFINITION

Classification: 49/390

(under subclass 388) Device wherein portions of the closure on each side of the pivot when the closure is swung to open position extend outwardly of the frame of the opening on opposed transverse sides thereof; i.e., the pivots are intermediate the length of side edges of the closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

176+, especially subclass 181, et seq., for a closure mounted on a sliding member for swinging to an optional open position on opposite sides of the closure opening.