Electric lamp and discharge devices: systems

SECTION I - CLASS DEFINITION

This is a restricted class which includes assembled patents on the special types of electric lamp and electric space discharge device systems set forth in the following sections:

A. Structural Combinations With Circuit Elements;

B. Structural Combinations With Heating And/Or Cooling Means;

C. Cathode-Ray Tubes;

D. Lamps and/or Discharge Devices as Sole Load Devices;

E. Lamps;

F. Electric Space Discharge Devices

G. Gas or Vapor Discharge Devices;

H. High Vacuum-Type Discharge Devices, and Gas or Vapor-type Discharge Devices Claimed Broadly;

I. Plural Load Device Systems;

J. Art Uses and Combinations With Art Devices;

K. Testing Electric Lamps and Discharge Devices; and

L. Operating a Lamp or a Gas or Vapor Discharge Device.