US PATENT SUBCLASS 505 / 853
.~ Oscillator: (Class 331)


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

Internet Version by PATENTEC © 1999      Terms of Use



505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
853.~ Oscillator: (Class 331) {1}
854  DF  .~.~> With solid-state active element: (Class 331/107S)


DEFINITION

Classification: 505/853

Oscillator: (Class 331):

(under subclass 825) Subject matter including means for initiating and maintaining an electrical signal or an electromagnetic wave having a strictly periodic repetitious frequency.