FR33783E - Improvements made to electrical switches - Google Patents

Improvements made to electrical switches

Info

Publication number
FR33783E
FR33783E FR33783DA FR33783E FR 33783 E FR33783 E FR 33783E FR 33783D A FR33783D A FR 33783DA FR 33783 E FR33783 E FR 33783E
Authority
FR
France
Prior art keywords
improvements made
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 FR33783E publication Critical patent/FR33783E/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
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
FR33783D 1926-06-21 1927-06-20 Improvements made to electrical switches Expired FR33783E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US117239A US1760554A (en) 1926-06-21 1926-06-21 Electric switch

Publications (1)

Publication Number Publication Date
FR33783E true FR33783E (en) 1929-03-01

Family

ID=22371723

Family Applications (2)

Application Number Title Priority Date Filing Date
FR596209D Expired FR596209A (en) 1926-06-21 1924-07-18 Improvements made to electrical switches
FR33783D Expired FR33783E (en) 1926-06-21 1927-06-20 Improvements made to electrical switches

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR596209D Expired FR596209A (en) 1926-06-21 1924-07-18 Improvements made to electrical switches

Country Status (3)

Country Link
US (1) US1760554A (en)
FR (2) FR596209A (en)
GB (1) GB272882A (en)

Also Published As

Publication number Publication date
FR596209A (en) 1925-10-19
US1760554A (en) 1930-05-27
GB272882A (en) 1927-11-17

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