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Cathodic cup construction Cathodic spot control
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CPC
H01J2893/0077
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00
Discharge tubes and lamps
Current Industry
H01J2893/0077
Cathodic cup construction Cathodic spot control
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Patents Grants
last 30 patents
Information
Patent Grant
2785332
Patent number
2,785,332
Issue date
Mar 12, 1957
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2743387
Patent number
2,743,387
Issue date
Apr 24, 1956
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2724785
Patent number
2,724,785
Issue date
Nov 22, 1955
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2721108
Patent number
2,721,108
Issue date
Oct 18, 1955
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2716715
Patent number
2,716,715
Issue date
Aug 30, 1955
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2671954
Patent number
2,671,954
Issue date
Mar 16, 1954
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2627481
Patent number
2,627,481
Issue date
Feb 3, 1953
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2617065
Patent number
2,617,065
Issue date
Nov 4, 1952
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2617064
Patent number
2,617,064
Issue date
Nov 4, 1952
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2528033
Patent number
2,528,033
Issue date
Oct 31, 1950
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2465200
Patent number
2,465,200
Issue date
Mar 22, 1949
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2349363
Patent number
2,349,363
Issue date
May 23, 1944
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
2217421
Patent number
2,217,421
Issue date
Oct 8, 1940
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
2126395
Patent number
2,126,395
Issue date
Aug 9, 1938
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1869130
Patent number
1,869,130
Issue date
Jul 26, 1932
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1858275
Patent number
1,858,275
Issue date
May 17, 1932
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1596278
Patent number
1,596,278
Issue date
Aug 17, 1926
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents