US PATENT SUBCLASS 40 / 400
.~.~.~ Hinge cooperating with aperture in base

Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

371  DF  REGISTER, OR FILE (E.G., TELEPHONE DIRECTORY FILE) {8}
388  DF  .~ Hinge mounted file item or file item support {6}
391  DF  .~.~ Overlying with end exposed (i.e., shingled) {7}
400.~.~.~ Hinge cooperating with aperture in base

DEFINITION

Classification: 40/400

Hinge cooperating with aperture in base:

(under subclass 391) Device wherein a portion or element of the hinge supporting each item through spaced openings in a support therefor which spaced openings position the items in overlapped relation.

(1) Note. A fastener (e.g., rivet, etc.), which secures a hinge to a support will not be considered an element of the hinge as provided for in this class.