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US2786983A Expired / Lapsed US ⏱️ 0.0 years remaining

High-voltage transformer

Assignee: Aladdin Industries LLC
•
Filing: 1953-11-12
•
Granted: 1957-03-26
•
Expires: 1973-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Lester E Hill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:15
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2107172A Cited
US2141573A Cited
US2220126A Cited
US2476854A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-03-25 1960-09-24 1961-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-03-25 1964-09-24 1965-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-03-25 1968-09-24 1969-03-26 $7700.00 Window Closed / Lapsed

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