FR713774A - Switching device improvements - Google Patents

Switching device improvements

Info

Publication number
FR713774A
FR713774A FR713774DA FR713774A FR 713774 A FR713774 A FR 713774A FR 713774D A FR713774D A FR 713774DA FR 713774 A FR713774 A FR 713774A
Authority
FR
France
Prior art keywords
switching device
device improvements
switching
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR713774A publication Critical patent/FR713774A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
FR713774D 1930-03-24 1931-03-24 Switching device improvements Expired FR713774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US438349A US1796076A (en) 1930-03-24 1930-03-24 Electric switch

Publications (1)

Publication Number Publication Date
FR713774A true FR713774A (en) 1931-11-02

Family

ID=23740299

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713774D Expired FR713774A (en) 1930-03-24 1931-03-24 Switching device improvements

Country Status (2)

Country Link
US (1) US1796076A (en)
FR (1) FR713774A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE415419B (en) * 1979-01-05 1980-09-29 Asea Ab CONTACT ORDER

Also Published As

Publication number Publication date
US1796076A (en) 1931-03-10

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