FR574190A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR574190A
FR574190A FR574190DA FR574190A FR 574190 A FR574190 A FR 574190A FR 574190D A FR574190D A FR 574190DA FR 574190 A FR574190 A FR 574190A
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 FR574190A publication Critical patent/FR574190A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
FR574190D 1922-11-23 1923-11-20 Improvements to electrical switches Expired FR574190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US602701A US1699144A (en) 1922-11-23 1922-11-23 Electric switch

Publications (1)

Publication Number Publication Date
FR574190A true FR574190A (en) 1924-07-07

Family

ID=24412440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574190D Expired FR574190A (en) 1922-11-23 1923-11-20 Improvements to electrical switches

Country Status (2)

Country Link
US (1) US1699144A (en)
FR (1) FR574190A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734973A (en) * 1951-08-18 1956-02-14 Circuit interrupters
US2872561A (en) * 1956-04-26 1959-02-03 Hoover Co Electric fry pan
US2998499A (en) * 1958-06-04 1961-08-29 Gen Electric Electric circuit breaker

Also Published As

Publication number Publication date
US1699144A (en) 1929-01-15

Similar Documents

Publication Publication Date Title
FR574406A (en) Improvements to electrical switches
FR575138A (en) Improvements to electrical switches
FR560298A (en) Improvements made to electrical switches
FR560509A (en) Improvements to electrical switches
FR572211A (en) Improvements to electrical switches
FR572619A (en) Improvements to electrical switches
FR596215A (en) Improvements made to electrical switches
FR567014A (en) Improvements to electrical switches
FR564635A (en) Improvements to electrical switches
FR574190A (en) Improvements to electrical switches
FR575381A (en) Improvements to electrical switches
FR573314A (en) Improvements to electrical switches
FR578711A (en) Improvements to electrical switches
FR580321A (en) Improvements to electrical switches
FR547606A (en) Improvements to electrical switches
FR573133A (en) Improvements to electrical switches
FR573032A (en) Improvements to electrical switches
FR561296A (en) Improvements to electrical switches
FR547186A (en) Improvements to electrical switches
FR570602A (en) Improvements to electrical switches
FR579844A (en) Improvements to electrical switches
FR552409A (en) Improvements to electrical transformers
FR572870A (en) Improvements to electrical switches
FR33937E (en) Improvements to electrical switches
FR550768A (en) Improvements to electrical switches