FR837199A - Perfectionnements aux interrupteurs - Google Patents

Perfectionnements aux interrupteurs

Info

Publication number: FR837199A
Authority: FR; France
Prior art keywords: refinements; switch; switch refinements
Prior art date: 1937-05-13
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.)

Westinghouse Electric Corp

Original Assignee

Westinghouse Electric Corp

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.)

1937-05-13

Filing date

1938-04-27

Publication date

1939-02-03

1938-04-27 Application filed by Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp

1939-02-03 Application granted granted Critical

1939-02-03 Publication of FR837199A publication Critical patent/FR837199A/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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor

FR837199D 1937-05-13 1938-04-27 Perfectionnements aux interrupteurs Expired FR837199A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US837199XA	1937-05-13	1937-05-13

Publications (1)

Publication Number	Publication Date
FR837199A true FR837199A (fr)	1939-02-03

Family

ID=22180237

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR837199D Expired FR837199A (fr)	1937-05-13	1938-04-27	Perfectionnements aux interrupteurs

Country Status (1)

Country	Link
FR (1)	FR837199A (fr)

1938
- 1938-04-27 FR FR837199D patent/FR837199A/fr not_active Expired

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