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US1022708A Expired / Lapsed US ⏱️ 0.0 years remaining

Time-switch for electric circuits.

Assignee: SUNDH ELECTRIC Co
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Filing: —
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Granted: 1912-04-09
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Expires: 1929-04-09
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Abstract

No abstract record available.

Inventors

  • 👤 Frank W Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:58
CPC Classifications
H; H01; H01H; H01H7/00; G; G04; G04F; G04F3/00; G04F3/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1915-04-09 1915-10-09 1916-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-04-09 1919-10-09 1920-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-04-09 1923-10-09 1924-04-09 $7700.00 Window Closed / Lapsed

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