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US2666254A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing electrical windings

Assignee: Hermoplast Ltd
•
Filing: 1949-10-04
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Granted: 1954-01-19
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Expires: 1969-10-04
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Abstract

No abstract record available.

Inventors

  • 👤 Eisler Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:20
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/041; H01F27/00; H01F27/28; H01F27/2847; H01F2027/2861; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1563731A Cited
US2014524A Cited
US2334671A Cited
US2334584A Cited
US2441960A Cited
US2474988A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-01-18 1957-07-20 1958-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-18 1961-07-20 1962-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-18 1965-07-20 1966-01-19 $7700.00 Window Closed / Lapsed

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