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US3441846A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital readout instrument employing a non-linear transducer and a linear potentiometer

Assignee: UNITED SYSTEMS CORP
•
Filing: 1964-11-16
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Granted: 1969-04-29
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Expires: 1984-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Harry Petrohilos

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:02
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/028; G01D; G01D5/00; G01D5/12; G01D5/243

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2745996A Cited
US2872641A Cited
US3109137A Cited
US2989256A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-28 1972-10-28 1973-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-28 1976-10-28 1977-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-28 1980-10-28 1981-04-29 $7700.00 Window Closed / Lapsed

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