FR38338E - Circuit breaker improvements - Google Patents

Circuit breaker improvements

Info

Publication number: FR38338E
Authority: FR; France
Prior art keywords: circuit breaker; breaker; circuit; breaker improvements
Prior art date: 1929-04-27
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

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.)

CBS Corp

Original Assignee

Westinghouse Electric and Manufacturing Co

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.)

1929-04-27

Filing date

1930-04-23

Publication date

1931-05-12

1930-04-23 Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co

1931-05-12 Application granted granted Critical

1931-05-12 Publication of FR38338E publication Critical patent/FR38338E/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/36—Metal parts

FR38338D 1929-04-27 1930-04-23 Circuit breaker improvements Expired FR38338E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US358603A US1910068A (en)	1929-04-27	1929-04-27	Circuit interrupter

Publications (1)

Publication Number	Publication Date
FR38338E true FR38338E (en)	1931-05-12

Family

ID=23410323

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR38338D Expired FR38338E (en)	1929-04-27	1930-04-23	Circuit breaker improvements

Country Status (4)

Country	Link
US (1)	US1910068A (en)
DE (1)	DE578225C (en)
FR (1)	FR38338E (en)
GB (1)	GB341814A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB575887A (en) *	1944-04-22	1946-03-08	Ferguson Pailin Ltd	Improvements in gas blast high voltage electric circuit breakers
DE1121161B (en) *	1959-01-09	1962-01-04	Sachsenwerk Licht & Kraft Ag	High voltage circuit breaker
DE1144365B (en) *	1960-02-26	1963-02-28	Sachsenwerk Licht & Kraft Ag	High voltage circuit breaker
BE632317A (en) *	1962-05-16

1929
- 1929-04-27 US US358603A patent/US1910068A/en not_active Expired - Lifetime
1930
- 1930-04-23 FR FR38338D patent/FR38338E/en not_active Expired
- 1930-04-26 GB GB12910/30A patent/GB341814A/en not_active Expired
- 1930-04-27 DE DE1930578225D patent/DE578225C/en not_active Expired

Also Published As

Publication number	Publication date
DE578225C (en)	1933-06-10
US1910068A (en)	1933-05-23
GB341814A (en)	1931-01-22

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