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US2631423A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric clock

Assignee: Motors Liquidation Co
•
Filing: 1945-07-11
•
Granted: 1953-03-17
•
Expires: 1965-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond H Sullivan
  • 👤 Peter R Contant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 01:08
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/063

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1826719A Cited
US1752446A Cited
FR673634A Cited
US2084657A Cited
US2084226A Cited
GB504553A Cited
US2357645A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-03-16 1956-09-15 1957-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-03-16 1960-09-15 1961-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-03-16 1964-09-15 1965-03-17 $7700.00 Window Closed / Lapsed

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