FR319109A - Improvements to electrical switches that operate automatically at set intervals - Google Patents

Improvements to electrical switches that operate automatically at set intervals

Info

Publication number
FR319109A
FR319109A FR319109A FR319109DA FR319109A FR 319109 A FR319109 A FR 319109A FR 319109 A FR319109 A FR 319109A FR 319109D A FR319109D A FR 319109DA FR 319109 A FR319109 A FR 319109A
Authority
FR
France
Prior art keywords
electrical switches
set intervals
operate automatically
automatically
operate
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
FR319109A
Other languages
French (fr)
Inventor
Loewen
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR319109A publication Critical patent/FR319109A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/02—Details
    • H01H29/08—Means for introducing a predetermined time delay
    • H01H29/10—Means for introducing a predetermined time delay by constricting the flow of the contact liquid
FR319109A 1902-02-27 Improvements to electrical switches that operate automatically at set intervals Expired FR319109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE132809T

Publications (1)

Publication Number Publication Date
FR319109A true FR319109A (en) 1902-11-05

Family

ID=5664680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR319109A Expired FR319109A (en) 1902-02-27 Improvements to electrical switches that operate automatically at set intervals

Country Status (2)

Country Link
DE (1) DE132809C (en)
FR (1) FR319109A (en)

Also Published As

Publication number Publication date
DE132809C (en)

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