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US3025510A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital analog converter

Assignee: COMPUTER MEASUREMENTS Corp
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Filing: 1957-10-24
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Granted: 1962-03-13
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Expires: 1977-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Rex E Lovejoy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:25
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/245; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20341

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1163688A Cited
US1938899A Cited
US2770415A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-12 1965-09-11 1966-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-12 1969-09-11 1970-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-12 1973-09-11 1974-03-13 $7700.00 Window Closed / Lapsed

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