US PATENT SUBCLASS 53 / 553
.~.~ Plural webs

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

545  DF  PROGRESSIVELY SEAMED COVER WEB OR WEB FOLDS {3}
548  DF  .~ With closing of web between package units {3}
553.~.~ Plural webs {2}
554  DF  .~.~.~> Vertically disposed tube
555  DF  .~.~.~> Simultaneously longitudinal and transverse seaming

DEFINITION

Classification: 53/553

Plural webs:

(under subclass 548) Apparatus for enclosing articles or quantities of material between distinct, opposed webs.