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US3366909A Expired / Lapsed US ⏱️ 0.0 years remaining

Contact-free electrical signal device

Assignee: Siemens Schuckertwerke AG
•
Filing: 1965-10-24
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Granted: 1968-01-30
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Expires: 1985-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Hini Paul
  • 👤 Weiss Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:32
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/945; H03K17/95; H03K17/9517; G; G01; G01F; G01F15/00; G01F15/07; G01F15/075; G01F15/0755; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/481; G01P3/488; H03K17/51; H03K17/90; H03K3/00; H10; H10N; H10N70/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2108662A Cited
US3112464A Cited
US3267404A Cited
US2924633A Cited
US3139600A Cited
US3152261A Cited
US3162804A Cited
US3266003A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-29 1971-07-31 1972-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-29 1975-07-31 1976-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-29 1979-07-31 1980-01-30 $7700.00 Window Closed / Lapsed

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