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US2203232A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for protecting sheaths of electric cables, pipes, and other metal articles agaist corrosion

Assignee: Callenders Cable and Construction Co Ltd
•
Filing: 1938-05-11
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Granted: 1940-06-04
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Expires: 1958-05-11
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Abstract

No abstract record available.

Inventors

  • 👤 Osborne Thomas Lloyd
  • 👤 Allcock Harold John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:50
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/2806; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18968

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1943-06-04 1943-12-04 1944-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-06-04 1947-12-04 1948-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-06-04 1951-12-04 1952-06-04 $7700.00 Window Closed / Lapsed

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