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US3400328A Expired / Lapsed US ⏱️ 0.0 years remaining

Anisotropic ferromagnetic thin film magnetometer systems utilizing a modulator to perturb the field on the sensitive axis

Assignee: Texas Instruments Inc
•
Filing: 1964-02-24
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Granted: 1968-09-03
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Expires: 1984-02-24
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas C Penn
  • 👤 Jr Joseph A Rice

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:58
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04; G01R33/05

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB592241A Cited
GB619525A Cited
US2543843A Cited
US2856581A Cited
US3012177A Cited
US3218547A Cited
US3239754A Cited
US3271665A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-03 1972-03-04 1972-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-03 1976-03-04 1976-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-03 1980-03-04 1980-09-03 $7700.00 Window Closed / Lapsed

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