US PATENT SUBCLASS 273 / 431
.~.~ Categorized or grouped questions


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

Internet Version by PATENTEC © 1999      Terms of Use



273 /   HD   AMUSEMENT DEVICES: GAMES

429  DF  PROBLEM ELICITING RESPONSE {1}
430  DF  .~ Questions and answers {2}
431.~.~ Categorized or grouped questions


DEFINITION

Classification: 273/431

Categorized or grouped questions:

(under subclass 430) Apparatus wherein the questions are subdivided by related subject matter.