FR540032A - Maximum circuit breaker - Google Patents

Maximum circuit breaker

Info

Publication number: FR540032A
Authority: FR; France
Prior art keywords: circuit breaker; maximum circuit; maximum; breaker; circuit
Prior art date: 1920-08-30
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

Dirk Johannes Bernard Koolhaas

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.)

1920-08-30

Filing date

1921-08-30

Publication date

1922-07-04

1921-08-30 Application filed filed Critical

1922-07-04 Application granted granted Critical

1922-07-04 Publication of FR540032A publication Critical patent/FR540032A/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
- H01H71/24—Electromagnetic mechanisms

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Magnetic Treatment Devices (AREA)
Breakers (AREA)

FR540032D 1920-08-30 1921-08-30 Maximum circuit breaker Expired FR540032A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL168884X		1920-08-30

Publications (1)

Publication Number	Publication Date
FR540032A true FR540032A (en)	1922-07-04

Family

ID=19776825

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR540032D Expired FR540032A (en)	1920-08-30	1921-08-30	Maximum circuit breaker

Country Status (3)

Country	Link
FR (1)	FR540032A (en)
GB (1)	GB168884A (en)
NL (1)	NL10698C (en)

0
- NL NL10698D patent/NL10698C/xx active
1921
- 1921-08-30 FR FR540032D patent/FR540032A/en not_active Expired
- 1921-08-30 GB GB23001/21A patent/GB168884A/en not_active Expired

Also Published As

Publication number	Publication date
NL10698C (en)
GB168884A (en)	1923-01-30

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