FR448123A - Improvements relating to electrical switches - Google Patents

Improvements relating to electrical switches

Info

Publication number
FR448123A
FR448123A FR448123DA FR448123A FR 448123 A FR448123 A FR 448123A FR 448123D A FR448123D A FR 448123DA FR 448123 A FR448123 A FR 448123A
Authority
FR
France
Prior art keywords
improvements relating
electrical switches
switches
electrical
relating
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)
Inventor
Arthur Francis Berry
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR448123A publication Critical patent/FR448123A/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
FR448123D 1911-09-11 1912-09-10 Improvements relating to electrical switches Expired FR448123A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB448123X 1911-09-11

Publications (1)

Publication Number Publication Date
FR448123A true FR448123A (en) 1913-01-23

Family

ID=1488765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR448123D Expired FR448123A (en) 1911-09-11 1912-09-10 Improvements relating to electrical switches

Country Status (1)

Country Link
FR (1) FR448123A (en)

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