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US3066208A Expired / Lapsed US ⏱️ 0.0 years remaining

Tap changing apparatus

Assignee: Wagner Electric Corp
•
Filing: 1958-12-08
•
Granted: 1962-11-27
•
Expires: 1978-12-08
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Robert D Fannon
  • 👤 Harold J Behm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:49
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0005; H01H9/0027; H01H3/00; H01H3/32; H01H3/44; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19879

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US157722A Cited
FR960993A Cited
US2253183A Cited
US2363886A Cited
US2560002A Cited
US2693573A Cited
FR1167830A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-26 1966-05-28 1966-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-26 1970-05-28 1970-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-26 1974-05-28 1974-11-27 $7700.00 Window Closed / Lapsed

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