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US3406635A Expired / Lapsed US ⏱️ 0.0 years remaining

Progressive dilution series apparatus

Assignee: Leo Pharma AS
•
Filing: 1966-01-17
•
Granted: 1968-10-22
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Expires: 1986-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Tybring Leif

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:33
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/12; B; B01; B01F; B01F35/00; B01F35/71; B01F35/712; B01F35/714; B01F35/717; B01F35/7176; B01F35/717613; B01F35/80; B01F35/83; B01F35/831; F04B49/00; F04B49/02; G; G01; G01N; G01N1/00; G01N1/28; G01N1/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2035159A Cited
US2097028A Cited
US2105200A Cited
US2662666A Cited
US3055551A Cited
US3234796A Cited
US3277356A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-22 1972-04-22 1972-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-22 1976-04-22 1976-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-22 1980-04-22 1980-10-22 $7700.00 Window Closed / Lapsed

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