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US3008128A Expired / Lapsed US ⏱️ 0.0 years remaining

Switching circuit for magnetic core memory

Assignee: NCR Voyix Corp
•
Filing: 1956-03-06
•
Granted: 1961-11-07
•
Expires: 1976-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Ralph R Powell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:45
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62; H03K17/6221; G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035; H03K17/64

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2734184A Cited
US2739300A Cited
US2849705A Cited
US2843761A Cited
US2829281A Cited
US2840801A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-11-06 1965-05-08 1965-11-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-11-06 1969-05-08 1969-11-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-11-06 1973-05-08 1973-11-07 $7700.00 Window Closed / Lapsed

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