FR39793E - Improvements to mercury switches - Google Patents

Improvements to mercury switches

Info

Publication number
FR39793E
FR39793E FR39793DA FR39793E FR 39793 E FR39793 E FR 39793E FR 39793D A FR39793D A FR 39793DA FR 39793 E FR39793 E FR 39793E
Authority
FR
France
Prior art keywords
mercury switches
mercury
switches
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 FR39793E publication Critical patent/FR39793E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
    • H01H29/22—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and solid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
    • H01H29/24—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and liquid
FR39793D 1930-02-20 1931-02-20 Improvements to mercury switches Expired FR39793E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US429861A US1951161A (en) 1930-02-20 1930-02-20 Mercury switch

Publications (1)

Publication Number Publication Date
FR39793E true FR39793E (en) 1932-03-18

Family

ID=23705017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39793D Expired FR39793E (en) 1930-02-20 1931-02-20 Improvements to mercury switches

Country Status (4)

Country Link
US (1) US1951161A (en)
DE (1) DE599445C (en)
FR (1) FR39793E (en)
GB (1) GB359842A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085590B (en) * 1953-07-17 1960-07-21 Engel & Gibbs Ltd Toggle switch tubes with electrically conductive fluid

Also Published As

Publication number Publication date
DE599445C (en) 1934-07-03
GB359842A (en) 1931-10-29
US1951161A (en) 1934-03-13

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