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US2673326A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus and method for testing magnetic material

Assignee: General Electric Co
•
Filing: 1952-11-12
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Granted: 1954-03-23
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Expires: 1972-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Lynn H Stauffer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:59
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/12; G01R33/123

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US939109A Cited
US2264968A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-03-22 1957-09-21 1958-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-03-22 1961-09-21 1962-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-03-22 1965-09-21 1966-03-23 $7700.00 Window Closed / Lapsed

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