US PATENT SUBCLASS 52 / 734.1
.~ For closure or closure portal

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

720.1  DF  SHAFT (I.E., ELONGATED RIGID STRUCTURE) {15}
734.1.~ For closure or closure portal {1}
734.2  DF  .~.~> Window came, glazing bar, etc.

DEFINITION

Classification: 52/734.1

For closure or closure portal:

(under subclass 720.1) Structure wherein the shaft is intended to be used as a component in a door, window, skylight, etc., or the peripheral enclosure thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

656.2+, for portal or closure framing.

717.01+, for portal or closure trim strip.

730.3+, for structure comprising longitudinally related strip-like sections.