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US3024692A Expired / Lapsed US ⏱️ 0.0 years remaining

Chart readers and comparators and method of translating light transmittance values of colorimeter recordings into concentration values

Assignee: Bayer Corp
•
Filing: 1958-06-12
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Granted: 1962-03-13
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Expires: 1978-06-12
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Abstract

No abstract record available.

Inventors

  • 👤 Leonard T Skeggs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:09
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US946265A Cited
US1979964A Cited
US2043053A Cited
US2244826A Cited
US2577815A Cited
US2483452A Cited
US2630736A Cited
US2623313A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-12 1965-09-11 1966-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-12 1969-09-11 1970-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-12 1973-09-11 1974-03-13 $7700.00 Window Closed / Lapsed

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