FR481601A - Telegraph and telephone isolator - Google Patents

Telegraph and telephone isolator

Info

Publication number
FR481601A
FR481601A FR481601DA FR481601A FR 481601 A FR481601 A FR 481601A FR 481601D A FR481601D A FR 481601DA FR 481601 A FR481601 A FR 481601A
Authority
FR
France
Prior art keywords
telegraph
isolator
telephone
telephone isolator
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
Other languages
French (fr)
Inventor
John Brightwen Alexander
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR481601A publication Critical patent/FR481601A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/20Pin insulators
FR481601D 1916-04-27 1916-04-27 Telegraph and telephone isolator Expired FR481601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR481601T 1916-04-27

Publications (1)

Publication Number Publication Date
FR481601A true FR481601A (en) 1916-12-28

Family

ID=1518685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481601D Expired FR481601A (en) 1916-04-27 1916-04-27 Telegraph and telephone isolator

Country Status (1)

Country Link
FR (1) FR481601A (en)

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