US2970049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil amendment and nutrient inclusion
Assignee: Individual
•
Filing: 1953-12-30
•
Granted: 1961-01-31
•
Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:25
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SOIL AMENDMENT AND NUTRIENT INCLUSION COMPRISING A CONVERTED CONCENTRATE OF NATURALLY OCCURRING SULFIDES INCLUSIVE OF A MAJOR PORTION OF IRON PYRITE AND MINOR PORTIONS OF TRACE ELEMENTS AS SULFIDES, SAID IRON PYRITE AND OTHER SULFIDES BEING CHARACTERIZED BY HAVING BEEN CONVERTED THROUGH HEATING SAID CONCENTRATE OF NATURALLY OCCURRING SULFIDES TO A LEAST A LOW RED HEAT IN A RELATIVELY NON-OXYGENOUS ATMOSPHERE AND THEREBY CONVERTING THE IRON PYRITE TO A COMPOSITION REPRESENTING BY THE FORMULA FENSN+1, WHEREIN N IS GREATER THAN 1, SO AS TO FORM A READILY USABLE, DECOMPOSABLE, MAGNETIC IRON SULFIDE AND ELEMENTAL SULFUR, AND CONVERTING THE TRACE ELEMENTS TO READILY USABLE SIMPLE SULFIDE COMPOSITIONS.
Claim 2
Dependent Claim
107 words
A SOIL AMENDMENT AND NUTRIENT INCLUSION COMPRISING A CONVERTED CONCENTRATE OF NATURALLY OCCURRING SULFIDES INCLUSIVE OF A MAJOR PORTION OF IRON PYRITE AND MINOR PORTIONS OF TRACE ELEMENTS AS SULFIDES, SAID IRON PYRITE AND OTHER SULFIDES BEING CHARACTERIZED BY HAVING BEEN CONVERTED THROUGH HEATING SAID CONCENTRATE OF NATURALLY OCCURRING SULFIDES TO A LEAST A LOW RED HEAT IN A RELATIVELY NON-OXYGENOUS ATMOSPHERE AND THEREBY CONVERTING THE IRON PYRITE TO A COMPOSITION REPRESENTING BY THE FORMULA FENSN+1, WHEREIN N IS GREATER THAN 1, SO AS TO FORM A READILY USABLE, DECOMPOSABLE, MAGNETIC IRON SULFIDE AND ELEMENTAL SULFUR, AND CONVERTING THE TRACE ELEMENTS TO READILY USABLE SIMPLE SULFIDE COMPOSITIONS.
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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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |