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US2483266A Expired / Lapsed US ⏱️ 0.0 years remaining

Electron tube type transmitter

Assignee: Liquidometer Corp
•
Filing: 1945-09-08
•
Granted: 1949-09-27
•
Expires: 1965-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Giers Clarence A De
  • 👤 Edelman Abraham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:31
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/38; G01F23/36

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1673681A Cited
GB494263A Cited
US2263377A Cited
US2225689A Cited
US2221743A Cited
US2374666A Cited
US2298893A Cited
US2383757A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-09-26 1953-03-28 1953-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-09-26 1957-03-28 1957-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-09-26 1961-03-28 1961-09-27 $7700.00 Window Closed / Lapsed

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