US836808A - Electric time-switch. - Google Patents

Electric time-switch. Download PDF

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Publication number
US836808A
US836808A US2???340?A US836808DA US836808A US 836808 A US836808 A US 836808A US 836808D A US836808D A US 836808DA US 836808 A US836808 A US 836808A
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US
United States
Prior art keywords
switch
electric time
electric
time
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 - Lifetime
Application number
US2???340?A
Inventor
John Gunning
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Individual
Original Assignee
Individual
Publication date
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Publication of US836808A publication Critical patent/US836808A/en
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Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval

Description

US2???340?A Electric time-switch. Expired - Lifetime US836808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US836808TA

Publications (1)

Publication Number Publication Date
US836808A true US836808A (en) 1906-11-27

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ID=2905282

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US2???340?A Expired - Lifetime US836808A (en) Electric time-switch.

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US (1) US836808A (en)

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