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US2797016A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure

Assignee: Eaton Corp
•
Filing: 1952-02-23
•
Granted: 1957-06-25
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Expires: 1972-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick C Schwendler
  • 👤 Arthur D Schultz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:45
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B64; B64D; B64D37/00; B64D37/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US566983A Cited
US1933135A Cited
US1593846A Cited
US1716024A Cited
US2582801A Cited
US2316507A Cited
US2465662A Cited
US2602563A Cited
US2706577A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-24 1960-12-24 1961-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-24 1964-12-24 1965-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-24 1968-12-24 1969-06-25 $7700.00 Window Closed / Lapsed

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