CA203378A - Vacuum tube - Google Patents

Vacuum tube

Info

Publication number
CA203378A
CA203378A CA203378A CA203378DA CA203378A CA 203378 A CA203378 A CA 203378A CA 203378 A CA203378 A CA 203378A CA 203378D A CA203378D A CA 203378DA CA 203378 A CA203378 A CA 203378A
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
CA203378A
Other languages
French (fr)
Inventor
De F. Arnold Harold
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
Publication date
Application granted granted Critical
Publication of CA203378A publication Critical patent/CA203378A/en
Expired legal-status Critical Current

Links

CA203378A Vacuum tube Expired CA203378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203378T

Publications (1)

Publication Number Publication Date
CA203378A true CA203378A (en) 1920-08-24

Family

ID=35077814

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203378A Expired CA203378A (en) Vacuum tube

Country Status (1)

Country Link
CA (1) CA203378A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1082443S1 (en) * 2022-12-13 2025-07-08 Mccormick & Company, Inc. Dispenser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1082443S1 (en) * 2022-12-13 2025-07-08 Mccormick & Company, Inc. Dispenser

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