FR567014A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR567014A
FR567014A FR567014DA FR567014A FR 567014 A FR567014 A FR 567014A FR 567014D A FR567014D A FR 567014DA FR 567014 A FR567014 A FR 567014A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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 FR567014A publication Critical patent/FR567014A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55Oil reservoirs or tanks; Lowering means therefor
FR567014D 1922-06-05 1923-06-04 Improvements to electrical switches Expired FR567014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US565937A US1566091A (en) 1922-06-05 1922-06-05 Electrical apparatus

Publications (1)

Publication Number Publication Date
FR567014A true FR567014A (en) 1924-02-23

Family

ID=10224463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567014D Expired FR567014A (en) 1922-06-05 1923-06-04 Improvements to electrical switches

Country Status (3)

Country Link
US (1) US1566091A (en)
FR (1) FR567014A (en)
GB (1) GB204875A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE503343A (en) * 1950-06-09
US2734973A (en) * 1951-08-18 1956-02-14 Circuit interrupters
US2998499A (en) * 1958-06-04 1961-08-29 Gen Electric Electric circuit breaker

Also Published As

Publication number Publication date
GB204875A (en) 1923-10-11
US1566091A (en) 1925-12-15

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