US2827368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-burning plant fertilizer
Assignee: JBS USA LLC
•
Filing: 1954-06-01
•
Granted: 1958-03-18
•
Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Everett N Mortenson
- 👤 Joseph P Kealy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:29
CPC Classifications
C; C05; C05B; C05B1/00; C05B1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF PREPARING A SUBSTANTIALLY DRY, NONBURNING FIXED FERTILIZER CONTAINING INGREDIENTS SUPPLYING NITRGEN, PHOSPHOROUS, AND POTASSIUM IN AVAILABLE FORM WHICH COMPRISES: PREDETERMINING THE VAPOR PRESSURE OF SATURATED WATER SOLUTIONS OF SAID INGREDIENTS; MIXING THOSE INGREDIENTS HAVING AT LEAST ABOUT 85 PERCENT OF THE VAPOR PRESSURE OF PURE WATER WHEN MEASURED AT THE SAME TEMPERATURE IN SUCH PROPORTIONS THAT THE N, P, AND K CONTENT EXPRESSED AS N, P2O5, AND K2O BASED ON THE TOTAL WEIGHT OF THE MIXED FERTILIZER IS AT LEAST ABOUT 3 PERCENT EACH TO PROVIDE A COMPLETE PLANT FOOD SHOWING SUBSTANTIALLY NO BURNING WHEN APPLIED TO LEAFY PLANTS IN AMOUNTS NORMALLY USED FOR PLANT FOOD PURPOSES.
Claim 2
Independent Claim
110 words
THE METHOD OF PREPARING A SUBSTANTIALLY DRY, NONBURNING FIXED FERTILIZER CONTAINING INGREDIENTS SUPPLYING NITRGEN, PHOSPHOROUS, AND POTASSIUM IN AVAILABLE FORM WHICH COMPRISES: PREDETERMINING THE VAPOR PRESSURE OF SATURATED WATER SOLUTIONS OF SAID INGREDIENTS; MIXING THOSE INGREDIENTS HAVING AT LEAST ABOUT 85 PERCENT OF THE VAPOR PRESSURE OF PURE WATER WHEN MEASURED AT THE SAME TEMPERATURE IN SUCH PROPORTIONS THAT THE N, P, AND K CONTENT EXPRESSED AS N, P2O5, AND K2O BASED ON THE TOTAL WEIGHT OF THE MIXED FERTILIZER IS AT LEAST ABOUT 3 PERCENT EACH TO PROVIDE A COMPLETE PLANT FOOD SHOWING SUBSTANTIALLY NO BURNING WHEN APPLIED TO LEAFY PLANTS IN AMOUNTS NORMALLY USED FOR PLANT FOOD PURPOSES.
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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) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |