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Electric discharge tube
US 2,890,364 A
Filed
: 02/17/1956
Issued
: 06/09/1959
Est. Priority Date
: 02/26/1955
Status: Expired due to Term
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Current Assignee
Dirk Kolkman
Original Assignee
Dirk Kolkman
Inventors
Kolkman, Dirk
Application Number
US03/566,256
Time in Patent Office
1,208 Days
Field of Search
US Class Current
313/492
CPC Class Codes
H01J 61/04
Electrodes for igniting H01...
H01J 61/067
for low-pressure discharge ...
H01J 61/545
using an auxiliary electrod...
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