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US1785375A Expired / Lapsed US ⏱️ 0.0 years remaining

Ammonium-phosphate fertilizer composition and method of making the same

Assignee: Wyeth Holdings LLC
•
Filing: 1927-01-28
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Granted: 1930-12-16
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Expires: 1947-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Guy H Buchanan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:22
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/28; B; B01; B01J; B01J19/00; B01J19/18; C01B25/38; C01B25/40; C01B25/405; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/18; B01J2219/182

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) 1933-12-15 1934-06-16 1934-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-12-15 1938-06-16 1938-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-12-15 1942-06-16 1942-12-16 $7700.00 Window Closed / Lapsed

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