(under subclass 467) Device provided with a disparate means joined to the and acting at the juncture of the threshold and the door to oppose the passage of fluid therebetween.
SEE OR SEARCH THIS CLASS, SUBCLASS:
304+, for a closure actuated sealing strip mounted on a sill.
475.1, for a closure seal or striker gasket and see the search notes thereto for loci of other seals.