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US2758183A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for making electric resistors and electric resistors made with that process

Assignee: S E C I ELETTROTECNICA CHIMICA ITALIANA Soc
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Filing: 1953-03-03
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Granted: 1956-08-07
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Expires: 1973-03-03
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Abstract

No abstract record available.

Inventors

  • 👤 Canegallo Giovanni

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:42
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/14; H01C1/146; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49101; Y10T29/49789

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1667857A Cited
US1913272A Cited
US2176604A Cited
US2253577A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-08-07 1960-02-06 1960-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-08-07 1964-02-06 1964-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-08-07 1968-02-06 1968-08-07 $7700.00 Window Closed / Lapsed

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