FR617979A - Improvements to mercury switches - Google Patents

Improvements to mercury switches

Info

Publication number
FR617979A
FR617979A FR617979DA FR617979A FR 617979 A FR617979 A FR 617979A FR 617979D A FR617979D A FR 617979DA FR 617979 A FR617979 A FR 617979A
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)
Inventor
Marcel Demontvignier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR617979A publication Critical patent/FR617979A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00Switches having at least one liquid contact
    • H01H29/20Switches having at least one liquid contact operated by tilting contact-liquid container
    • H01H29/24Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and liquid
FR617979D 1926-06-21 1926-06-21 Improvements to mercury switches Expired FR617979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR477516X 1926-06-21

Publications (1)

Publication Number Publication Date
FR617979A true FR617979A (en) 1927-03-01

Family

ID=8903163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR617979D Expired FR617979A (en) 1926-06-21 1926-06-21 Improvements to mercury switches

Country Status (3)

Country Link
DE (1) DE477516C (en)
FR (1) FR617979A (en)
GB (1) GB272866A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743802A (en) * 1972-06-23 1973-07-03 J Avenick Elongate housing having outstanding protrusions for tiltable conductive fluid type ignition safety switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743802A (en) * 1972-06-23 1973-07-03 J Avenick Elongate housing having outstanding protrusions for tiltable conductive fluid type ignition safety switch

Also Published As

Publication number Publication date
DE477516C (en) 1929-06-08
GB272866A (en) 1927-12-08

Similar Documents

Publication Publication Date Title
FR37922E (en) Improvements to thermionic discharge devices
FR617979A (en) Improvements to mercury switches
FR636136A (en) Improvements to mercury switches
FR557117A (en) Improvements to rotary mercury switches
FR631777A (en) Improvements to cinematographic devices
FR681935A (en) Improvements to mercury switches
FR617731A (en) Improvements to intermittent mercury switches
FR629237A (en) Improvements to electrical switches
FR39793E (en) Improvements to mercury switches
FR649149A (en) Improvements to switches
FR638846A (en) Improvements made to electrical switches
FR634561A (en) Improvements made to electrical switches
FR617475A (en) Switch refinements
FR635191A (en) Improvements to electrical switches
FR621627A (en) Improvements to switch mechanisms
FR689958A (en) Improvements to thermo-electromagnetic maximum circuit breakers
FR639345A (en) Improvements to vulcanizing devices
FR612198A (en) Improvements to two-way push-button switches
FR609381A (en) Improvements to mercury meters
FR649044A (en) Improvements made to switches
FR640754A (en) Improvements to electrical switches
FR636857A (en) Improvements to electrical switches
FR33783E (en) Improvements made to electrical switches
FR626537A (en) Improvements to mercury rectifiers
FR645670A (en) Improvements to thermionic discharge devices