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FR681935A - Perfectionnements aux interrupteurs à mercure - Google Patents

Perfectionnements aux interrupteurs à mercure

Info

Publication number
FR681935A
FR681935A FR681935DA FR681935A FR 681935 A FR681935 A FR 681935A FR 681935D A FR681935D A FR 681935DA FR 681935 A FR681935 A FR 681935A
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
English (en)
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
Priority claimed from US429861A external-priority patent/US1951161A/en
Application granted granted Critical
Publication of FR681935A publication Critical patent/FR681935A/fr
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
FR681935D 1928-09-18 1929-09-18 Perfectionnements aux interrupteurs à mercure Expired FR681935A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US306626A US1743067A (en) 1928-09-18 1928-09-18 Mercury switch
US429861A US1951161A (en) 1930-02-20 1930-02-20 Mercury switch

Publications (1)

Publication Number Publication Date
FR681935A true FR681935A (fr) 1930-05-21

Family

ID=26975271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681935D Expired FR681935A (fr) 1928-09-18 1929-09-18 Perfectionnements aux interrupteurs à mercure

Country Status (2)

Country Link
US (1) US1743067A (fr)
FR (1) FR681935A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433687A (en) * 1943-09-27 1947-12-30 Metals & Controls Corp Electrical contact

Also Published As

Publication number Publication date
US1743067A (en) 1930-01-07

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