H01J7/00 - CPC Classification Index

ClassID:

204577 ⎘

H01J7/00 - CPC Classification

Classification description:

Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps

Sub-classes:

H01J7/02 » Selection of substances for gas fillings; Specified operating pressure or temperature 4
H01J7/14 » Means for obtaining or maintaining the desired pressure within the vessel 5
H01J7/24 » Cooling arrangements ; Heating arrangements ; Means for circulating gas or vapour within the discharge space 41
H01J7/30 » Igniting arrangements 3
H01J7/42 » Means structurally associated with the tube or lamp for indicating defects or previous use 2
H01J7/44 » One or more circuit elements structurally associated with the tube or lamp 10

Recent Application in this class:

20190062179

Apparatus, system, and methods for using human energy in collecting, transporting, and purifying water

20170069422

Wireless power transmission device

20170011879

Impulse voltage generating device