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US3022949A Expired / Lapsed US ⏱️ 0.0 years remaining

Difunction computing elements

Assignee: Digital Control Systems Inc
•
Filing: 1955-05-24
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Granted: 1962-02-27
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Expires: 1975-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Floyd G Steele

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:39
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/64; G06F7/66

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2701095A Cited
US2840306A Cited
FR1094570A Cited
FR1095026A Cited
FR1055460A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-02-26 1965-08-28 1966-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-02-26 1969-08-28 1970-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-02-26 1973-08-28 1974-02-27 $7700.00 Window Closed / Lapsed

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