← Back to Patent Explorer
US2947269A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fertilizing, using yellow phosphorus

Assignee: Monsanto Chemicals Ltd
•
Filing: 1957-07-22
•
Granted: 1960-08-02
•
Expires: 1977-07-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edgar M Queeny

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:09
CPC Classifications
C; C05; C05B; C05B17/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 37 words
THE METHOD OF FERTILIZING AN AGRICULTURAL SOIL WHICH COMPRISES DEPOSITING LIQUID ELEMENTAL YELLOW PHOSPHORUS IN THE SOIL BENEATH THE SURFACE LEVEL THEREOF AND COVERING THE DEPOSITED PHOSPHORUS WITH AT LEAST ONE-QUARTER OF AN INCH OF THE SOIL.
Claim 2
Independent Claim 37 words
THE METHOD OF FERTILIZING AN AGRICULTURAL SOIL WHICH COMPRISES DEPOSITING LIQUID ELEMENTAL YELLOW PHOSPHORUS IN THE SOIL BENEATH THE SURFACE LEVEL THEREOF AND COVERING THE DEPOSITED PHOSPHORUS WITH AT LEAST ONE-QUARTER OF AN INCH OF THE SOIL.

References Cited (Backward Citations)

DE21581C Cited
US1842876A Cited
US2163065A Cited
US2222015A Cited
US2781612A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-02 1964-02-01 1964-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-02 1968-02-01 1968-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-02 1972-02-01 1972-08-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag