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US2355149A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Liquidometer Corp
•
Filing: 1940-04-13
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Granted: 1944-08-08
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Expires: 1960-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Giers Clarence A De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:04
CPC Classifications
H; H02; H02B; H02B15/00; F; F21; F21W; F21W2111/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1947-08-08 1948-02-07 1948-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-08-08 1952-02-07 1952-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-08-08 1956-02-07 1956-08-08 $7700.00 Window Closed / Lapsed

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