FR716229A - Electric current switch device - Google Patents

Electric current switch device

Info

Publication number: FR716229A
Authority: FR; France
Prior art keywords: electric current; switch device; current switch; electric; switch
Prior art date: 1931-04-29
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

Inventor

Fernand Walther

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.)

1931-04-29

Filing date

1931-04-29

Publication date

1931-12-17

1931-04-29 Application filed filed Critical

1931-12-17 Application granted granted Critical

1931-12-17 Publication of FR716229A publication Critical patent/FR716229A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/40—Combined electrothermal and electromagnetic mechanisms

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)

FR716229D 1931-04-29 1931-04-29 Electric current switch device Expired FR716229A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR716229T		1931-04-29

Publications (1)

Publication Number	Publication Date
FR716229A true FR716229A (en)	1931-12-17

Family

ID=9089419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR716229D Expired FR716229A (en)	1931-04-29	1931-04-29	Electric current switch device

Country Status (1)

Country	Link
FR (1)	FR716229A (en)

1931
- 1931-04-29 FR FR716229D patent/FR716229A/en not_active Expired

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