FR664808A - Improvements to switch contacts - Google Patents

Improvements to switch contacts

Info

Publication number
FR664808A
FR664808A FR664808DA FR664808A FR 664808 A FR664808 A FR 664808A FR 664808D A FR664808D A FR 664808DA FR 664808 A FR664808 A FR 664808A
Authority
FR
France
Prior art keywords
switch contacts
contacts
switch
Prior art date
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
French (fr)
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.)
WESVINGHOUSE ELECTRIC AND MAMU
Original Assignee
WESVINGHOUSE ELECTRIC AND MAMU
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.)
Filing date
Publication date
Application filed by WESVINGHOUSE ELECTRIC AND MAMU filed Critical WESVINGHOUSE ELECTRIC AND MAMU
Application granted granted Critical
Publication of FR664808A publication Critical patent/FR664808A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/04—Co-operating contacts of different material
FR664808D 1927-11-30 1928-11-28 Improvements to switch contacts Expired FR664808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US301461XA 1927-11-30 1927-11-30

Publications (1)

Publication Number Publication Date
FR664808A true FR664808A (en) 1929-09-09

Family

ID=21852753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664808D Expired FR664808A (en) 1927-11-30 1928-11-28 Improvements to switch contacts

Country Status (2)

Country Link
FR (1) FR664808A (en)
GB (1) GB301461A (en)

Also Published As

Publication number Publication date
GB301461A (en) 1929-12-12

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