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US3823007A Expired / Lapsed US ⏱️ 0.0 years remaining

Herbicidal method using salts of benzenesulfonyl ureas

Assignee: Monsanto Co
•
Filing: 1969-01-14
•
Granted: 1974-07-09
•
Expires: 1989-01-14
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Abstract

Abstract THE USE OF SALTS OF SUBSTITUTED BENZENESULFONYL UREAS AS HERBICIDES.

Inventors

  • 👤 J Stephens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; C07C; C07C311/00; C07C311/50; C07C311/52; C07C311/54

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) 1977-07-08 1978-01-07 1978-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-08 1982-01-07 1982-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-08 1986-01-07 1986-07-09 $7700.00 Window Closed / Lapsed

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