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US3440091A Expired / Lapsed US ⏱️ 0.0 years remaining

Conductive magnetic tape support

Assignee: Eastman Kodak Co
•
Filing: 1965-04-05
•
Granted: 1969-04-22
•
Expires: 1985-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 Paul J Delmore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 03:17
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/708; G11B5/73; G11B5/7368; G11B5/739; G11B5/73923; G11B5/73927; G11B5/73937; H01B1/00; H01B1/20; H01B1/24; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2825558A Cited
US2819186A Cited
US2997451A Cited
US3007892A Cited
US3235772A Cited
US3293066A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-21 1972-10-21 1973-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-21 1976-10-21 1977-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-21 1980-10-21 1981-04-22 $7700.00 Window Closed / Lapsed

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