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US3045195A Expired / Lapsed US ⏱️ 0.0 years remaining

Induction apparatus

Assignee: McGraw Edison Co
•
Filing: 1956-04-16
•
Granted: 1962-07-17
•
Expires: 1976-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 John R Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 04:57
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2871

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1145366A Cited
US1183616A Cited
US1984996A Cited
US2479373A Cited
US2751562A Cited
US2831173A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-16 1966-01-15 1966-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-16 1970-01-15 1970-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-16 1974-01-15 1974-07-17 $7700.00 Window Closed / Lapsed

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