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US2498357A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making insulated electrical conductors

Assignee: Hitachi Rail STS USA Inc
•
Filing: 1946-01-24
•
Granted: 1950-02-21
•
Expires: 1966-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Edgar W Breisch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:26
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/53; Y10T29/53652; Y10T29/53657

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US284050A Cited
US1461130A Cited
DE492325C Cited
US2090014A Cited
US2068639A Cited
US2272704A Cited
US2449356A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-02-20 1953-08-22 1954-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-02-20 1957-08-22 1958-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-02-20 1961-08-22 1962-02-21 $7700.00 Window Closed / Lapsed

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