US PATENT SUBCLASS 473 / 598
.~ Comprising casing or cover having stitched seam or laced closure; blank for such casing or cover (e.g., casing of baseball, etc.)

Current as of: June, 1999
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473 /   HD   GAMES USING TANGIBLE PROJECTILE

569  DF  PROJECTILE, PER SE; PART THEREOF OR ACCESSORY THEREFOR {28}
598.~ Comprising casing or cover having stitched seam or laced closure; blank for such casing or cover (e.g., casing of baseball, etc.) {1}
599  DF  .~.~> For distensible bladder (e.g., casing of football, etc.)

DEFINITION

Classification: 473/598

Comprising casing or cover having stitched seam or laced closure; blank for such casing or cover (e.g., casing of

baseball, etc.):

(under subclass 569) Subject matter (a) comprising an enclosing outermost layer or envelope overlaid or intended to be overlaid over the centrally disposed part of a projectile of the type having a centrally disposed member enclosed by an outermost layer or envelope and wherein the outermost layer or envelope either (1) is formed from two or more pieces of sheetlike material which have been joined to one another at or near to their adjacent edges by sewing with thread, string, yarn, gut, filament, cord, or the like, or (2) has an opening formed therein, the edges of which have, at least somewhat, been drawn together by drawing a string, ribbon, cord, gut, or the like through eyelets or their equivalent located near the edges of the opening, (b) comprising one or more pieces of sheetlike material intended to be prepared to be made, when joined to others by sewing with thread, string, yarn, gut, filament, cord, or the like, into such an enclosing outermost layer or envelope having two or more pieces of sheetlike material joined together by sewing, or (c) comprising a piece of sheetlike material intended to be prepared to be made, either by itself or when joined to others, into such an enclosing outermost layer or envelope having an opening formed therein.