US PATENT SUBCLASS 473 / 602
.~.~.~ Having plural intermediate layers, at least one being of material diverse from material of core, cover, or another intermediate layer; or having core or cover composed of three or more layers, at least two being of diverse materials

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


473 /   HD   GAMES USING TANGIBLE PROJECTILE

569  DF  PROJECTILE, PER SE; PART THEREOF OR ACCESSORY THEREFOR {28}
600  DF  .~ Having solid core within outer cover; core or cover therefor (e.g., baseball, etc) {1}
601  DF  .~.~ And having intermediate layer between core and cover or having core or cover composed of plural layers {1}
602.~.~.~ Having plural intermediate layers, at least one being of material diverse from material of core, cover, or another intermediate layer; or having core or cover composed of three or more layers, at least two being of diverse materials

DEFINITION

Classification: 473/602

Having plural intermediate layers, at least one being of material diverse from material of core, cover, or another intermediate layer; or having core or cover composed of three or more layers, at least two being of diverse materials:

(under subclass 601) Subject matter (a) wherein there are at least two layers or windings of material located between the core and the cover, and either (1) the intervening layers or windings are not all of the same material, or (2) at least one of the intervening layers or windings is of a material different from the material of the core or from the material of the cover, or (b) wherein either the core itself or the cover itself is made up of at least three layers or windings and at least one of the layers or windings is of a material different from the material of at least one other layer or winding.