CA175590A - Tube a vide - Google Patents

Tube a vide

Info

Publication number
CA175590A
CA175590A CA000175590A CA175590DA CA175590A CA 175590 A CA175590 A CA 175590A CA 000175590 A CA000175590 A CA 000175590A CA 175590D A CA175590D A CA 175590DA CA 175590 A CA175590 A CA 175590A
Authority
CA
Canada
Prior art keywords
vacuum tube
vacuum
tube
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
CA000175590A
Other languages
English (en)
Inventor
Oliver Ellsworth Buckley
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA175590A publication Critical patent/CA175590A/fr
Expired legal-status Critical Current

Links

CA000175590A 1916-01-21 1916-01-21 Tube a vide Expired CA175590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA175590T 1916-01-21

Publications (1)

Publication Number Publication Date
CA175590A true CA175590A (fr) 1917-03-06

Family

ID=45295243

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000175590A Expired CA175590A (fr) 1916-01-21 1916-01-21 Tube a vide

Country Status (1)

Country Link
CA (1) CA175590A (fr)

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