FR735943A - Improvements to horns for electric arc devices - Google Patents

Improvements to horns for electric arc devices

Info

Publication number: FR735943A
Authority: FR; France
Prior art keywords: horns; electric arc; arc devices; devices; electric
Prior art date: 1931-05-06
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.)

1931-05-06

Filing date

1932-04-25

Publication date

1932-11-17

1932-04-25 Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co

1932-11-17 Application granted granted Critical

1932-11-17 Publication of FR735943A publication Critical patent/FR735943A/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
- H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns

FR735943D 1931-05-06 1932-04-25 Improvements to horns for electric arc devices Expired FR735943A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US535381A US1934518A (en)	1931-05-06	1931-05-06	Arc horn
GB16109/32A GB391998A (en)	1931-05-06	1932-06-07	Improvements in or relating to electric arc horns

Publications (1)

Publication Number	Publication Date
FR735943A true FR735943A (en)	1932-11-17

Family

ID=26251818

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR735943D Expired FR735943A (en)	1931-05-06	1932-04-25	Improvements to horns for electric arc devices

Country Status (4)

Country	Link
US (1)	US1934518A (en)
DE (1)	DE591423C (en)
FR (1)	FR735943A (en)
GB (1)	GB391998A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2436189A (en) *	1945-09-17	1948-02-17	Gen Electric	Arc extinguishing device
US2460727A (en) *	1945-10-08	1949-02-01	Gen Electric	Arc extinguishing device
US2585810A (en) *	1945-10-26	1952-02-12	George E Mallinckrodt	Valveless pulse jet engine having electric arc heating means
US2953666A (en) *	1956-12-31	1960-09-20	Allen Bradley Co	High voltage air break switch
GB839301A (en) *	1957-08-30	1960-06-29	Allis Chalmers Mfg Co	Improved electric circuit-breaker having arc-extinguishing means

1931
- 1931-05-06 US US535381A patent/US1934518A/en not_active Expired - Lifetime
1932
- 1932-04-24 DE DES104321D patent/DE591423C/en not_active Expired
- 1932-04-25 FR FR735943D patent/FR735943A/en not_active Expired
- 1932-06-07 GB GB16109/32A patent/GB391998A/en not_active Expired

Also Published As

Publication number	Publication date
GB391998A (en)	1933-05-11
DE591423C (en)	1934-01-20
US1934518A (en)	1933-11-07

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