FR728028A - Perfectionnement aux interrupteurs - Google Patents

Perfectionnement aux interrupteurs

Info

Publication number: FR728028A
Authority: FR; France
Prior art keywords: switch training; training; switch
Prior art date: 1931-01-24
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.)

1931-01-24

Filing date

1931-12-09

Publication date

1932-06-28

1931-12-09 Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co

1932-06-28 Application granted granted Critical

1932-06-28 Publication of FR728028A publication Critical patent/FR728028A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H33/10—Metal parts

FR728028D 1931-01-24 1931-12-09 Perfectionnement aux interrupteurs Expired FR728028A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US511005A US1914137A (en)	1931-01-24	1931-01-24	Circuit interrupter

Publications (1)

Publication Number	Publication Date
FR728028A true FR728028A (fr)	1932-06-28

Family

ID=24033076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR728028D Expired FR728028A (fr)	1931-01-24	1931-12-09	Perfectionnement aux interrupteurs

Country Status (4)

Country	Link
US (1)	US1914137A (fr)
DE (1)	DE610621C (fr)
FR (1)	FR728028A (fr)
GB (1)	GB388151A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2293513A (en) *	1939-10-11	1942-08-18	Gen Electric	Electric air circuit breaker
US2465240A (en) *	1944-08-31	1949-03-22	Westinghouse Electric Corp	Circuit interrupter
US2575738A (en) *	1946-12-28	1951-11-20	Westinghouse Electric Corp	Circuit interrupter
US3900946A (en) *	1973-10-25	1975-08-26	Mc Graw Edison Co	Method for making arc extinguishing chamber

1931
- 1931-01-24 US US511005A patent/US1914137A/en not_active Expired - Lifetime
- 1931-12-07 GB GB33869/31A patent/GB388151A/en not_active Expired
- 1931-12-09 FR FR728028D patent/FR728028A/fr not_active Expired
1932
- 1932-01-22 DE DES102893D patent/DE610621C/de not_active Expired

Also Published As

Publication number	Publication date
DE610621C (de)	1935-03-18
GB388151A (en)	1933-02-23
US1914137A (en)	1933-06-13

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