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US2993949A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical insulating tape and article formed therewith

Assignee: 3M Co
•
Filing: 1956-10-08
•
Granted: 1961-07-25
•
Expires: 1976-10-08
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Abstract

No abstract record available.

Inventors

  • 👤 William H Moebius
  • 👤 Jr George H Vreeland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:36
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/18; H01B3/48; Y; Y10; Y10S; Y10S206/00; Y10S206/82

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2133183A Cited
GB609366A Cited
US2492568A Cited
US2516030A Cited
GB695703A Cited
US2654681A Cited
US2624777A Cited
US2626223A Cited
US2768906A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-24 1965-01-23 1965-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-24 1969-01-23 1969-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-24 1973-01-23 1973-07-25 $7700.00 Window Closed / Lapsed

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