CA253233A - Vacuum electric tube - Google Patents

Vacuum electric tube

Info

Publication number
CA253233A
CA253233A CA253233A CA253233DA CA253233A CA 253233 A CA253233 A CA 253233A CA 253233 A CA253233 A CA 253233A CA 253233D A CA253233D A CA 253233DA CA 253233 A CA253233 A CA 253233A
Authority
CA
Canada
Prior art keywords
electric tube
vacuum electric
vacuum
tube
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA253233A
Other languages
French (fr)
Inventor
Yeoman Robinson Ernest
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA253233A publication Critical patent/CA253233A/en
Expired legal-status Critical Current

Links

CA253233A Vacuum electric tube Expired CA253233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA253233T

Publications (1)

Publication Number Publication Date
CA253233A true CA253233A (en) 1925-09-01

Family

ID=35161783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253233A Expired CA253233A (en) Vacuum electric tube

Country Status (1)

Country Link
CA (1) CA253233A (en)

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