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US2544529A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical determination of moisture content and other properties

Assignee: Individual
•
Filing: 1947-07-23
•
Granted: 1951-03-06
•
Expires: 1967-07-23
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Abstract

No abstract record available.

Inventors

  • 👤 Fielden John Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 04:48
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223; Y; Y10; Y10S; Y10S131/00; Y10S131/908; Y10S131/91

Claims Analysis

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References Cited (Backward Citations)

USRE21003E Cited
US1984166A Cited
US2241190A Cited
US2285152A Cited
US2373846A Cited
US2422742A Cited
US2381155A Cited
US2478773A Cited
US2428700A Cited
US2432811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-03-05 1954-09-04 1955-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-03-05 1958-09-04 1959-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-03-05 1962-09-04 1963-03-06 $7700.00 Window Closed / Lapsed

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