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US3038147A Expired / Lapsed US ⏱️ 0.0 years remaining

Data selecting apparatus

Assignee: International Business Machines Corp
•
Filing: 1958-12-31
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Granted: 1962-06-05
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Expires: 1978-12-31
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Abstract

No abstract record available.

Inventors

  • 👤 Edward J Grenchus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 08:43
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035; G06; G06F; G06F7/00; G06F7/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2802203A Cited
US2902678A Cited
US2933720A Cited
US2956271A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-04 1965-12-04 1966-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-04 1969-12-04 1970-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-04 1973-12-04 1974-06-05 $7700.00 Window Closed / Lapsed

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