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US3452143A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyclic ketone diamines as soil fungicides and bactericides

Assignee: Merck and Co Inc
•
Filing: 1967-05-01
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Granted: 1969-06-24
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Expires: 1987-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Nathaniel Grier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:04
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; C07D295/112; C07D295/116; A; A01; A01N; A01N35/00; A01N35/06; C07D295/12; C07D295/135

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-23 1972-12-23 1973-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-23 1976-12-23 1977-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-23 1980-12-23 1981-06-24 $7700.00 Window Closed / Lapsed

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