US PATENT SUBCLASS 40 / 449
.~.~ Magnetic


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

Internet Version by PATENTEC © 1999      Terms of Use



40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

446  DF  CHANGING EXHIBITOR {25}
447  DF  .~ Alphanumeric (monogram) device {4}
449.~.~ Magnetic


DEFINITION

Classification: 40/449

Magnetic:

(under subclass 447) Exhibitor wherein the elements are activated by magnetic means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

621, for letters with magnetic attaching means.

SEE OR SEARCH CLASS

345, Computer Graphics Processing, Operator Interface

Processing, and Selective Visual Display Systems,

111, for similar display systems with specific selective electrical control means.

434, Education and Demonstration, 430, for plans and charts having magnetic features.