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US2954546A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic tape storage system

Assignee: NCR Voyix Corp
•
Filing: 1954-10-18
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Granted: 1960-09-27
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Expires: 1974-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Cecil H Burns
  • 👤 John F Donan
  • 👤 Jr Albert E Wolfe
  • 👤 Donald E Eckdahl
  • 👤 Daniel J Daugherty
  • 👤 Bernard T Wilson
  • 👤 Hrant H Sarkissian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:51
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/322; G06; G06F; G06F11/00; G06F11/07; G06F11/14; G06F16/00; G06F16/90; G06F16/903; G06F16/90335; G06F16/90344; G06F3/00; G06F3/06; G06F3/0601; G11B20/00; G11B20/10; G11B20/18; G11B20/1803; G11B27/102; G11B27/107; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682; G11B20/10527; G11B2020/10537; G11B2020/10592; G11B2220/00; G11B2220/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2692728A Cited
US2611813A Cited
US2679551A Cited
US2628346A Cited
US2721990A Cited
US2782398A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-09-27 1964-03-28 1964-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-09-27 1968-03-28 1968-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-09-27 1972-03-28 1972-09-27 $7700.00 Window Closed / Lapsed

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