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FR626633A - Electrical switches - Google Patents

Electrical switches

Info

Publication number
FR626633A
FR626633A FR626633DA FR626633A FR 626633 A FR626633 A FR 626633A FR 626633D A FR626633D A FR 626633DA FR 626633 A FR626633 A FR 626633A
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)
Inventor
Robert Andrews Millikan
Royal Wasson Sorensen
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
Priority claimed from US148418A external-priority patent/US1784302A/en
Priority claimed from GB3159426A external-priority patent/GB291815A/en
Application filed filed Critical
Application granted granted Critical
Publication of FR626633A publication Critical patent/FR626633A/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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
FR626633D 1926-11-15 1926-12-22 Electrical switches Expired FR626633A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US148418A US1784302A (en) 1926-11-15 1926-11-15 Process for conditioning electric switches
GB3159426A GB291815A (en) 1926-12-13 1926-12-13 Electrical switches
US199580A US1996304A (en) 1926-11-15 1927-06-17 Electric switch

Publications (1)

Publication Number Publication Date
FR626633A true FR626633A (en) 1927-09-15

Family

ID=27258984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR626633D Expired FR626633A (en) 1926-11-15 1926-12-22 Electrical switches

Country Status (3)

Country Link
US (1) US1996304A (en)
DE (1) DE539812C (en)
FR (1) FR626633A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975483C (en) * 1943-02-21 1961-12-07 Aeg High voltage vacuum switch
US2832872A (en) * 1955-05-13 1958-04-29 Jennings Radio Mfg Corp Vacuum switch
US2794087A (en) * 1955-06-10 1957-05-28 Jennings Radio Mfg Corp Coaxial switch
DE1074119B (en) * 1956-04-24 1960-01-28 ERA Patents Limited Leather head (Großbritannien) Change power switch

Also Published As

Publication number Publication date
DE539812C (en) 1931-12-02
US1996304A (en) 1935-04-02

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