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US3017802A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical apparatus for detecting substances in fluids

Assignee: Honeywell Inc
•
Filing: 1959-07-10
•
Granted: 1962-01-23
•
Expires: 1979-07-10
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Abstract

No abstract record available.

Inventors

  • 👤 Witt Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:22
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/255; G01N21/31; G01N21/35; G01N21/3577; G01N21/41; G01N21/43; G01N21/431

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2431019A Cited
US2569127A Cited
US2721942A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-22 1965-07-24 1966-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-22 1969-07-24 1970-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-22 1973-07-24 1974-01-23 $7700.00 Window Closed / Lapsed

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