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US2256897A Expired / Lapsed US ⏱️ 0.0 years remaining

Insulating joint for electric cable sheaths and method of making same

Assignee: Consolidated Edison Company of New York Inc
•
Filing: 1940-07-24
•
Granted: 1941-09-23
•
Expires: 1960-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 Ward F Davidson
  • 👤 Earl R Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:29
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/20; H02G15/24; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/31; Y10S174/33

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-09-22 1945-03-24 1945-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-09-22 1949-03-24 1949-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-09-22 1953-03-24 1953-09-23 $7700.00 Window Closed / Lapsed

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