US2983594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trace element fertilizers
Assignee: Individual
•
Filing: 1957-03-14
•
Granted: 1961-05-09
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Jost Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:45
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF FERTILIZING AGRICULTURAL LAND WITH WASTE PRODUCTS FROM THE COPPER-FABRICATING INDUSTRIES, SAID PRODUCTS HAVING LARGE SURFACE AREA AND CONTAINING COPPER AND TRACES OF ELEMENTS, SELECTED FROM THE GROUP CONSISTING OF ZINC, COBALT, MANGANESE, MOLYBDENUM, BORON AND IRON, WHICH COMPRISED FERTILIZING SAID LAND DIRECTLY AND WITHOUT FURTHER TREATMENT WITH SAID WASTE PRODUCTS, FINELY DIVIDED, CONTAINING COPPER IN AMOUNTS RANGING FROM 44 TO 85 PERCENT AND IN THE FORM OF COMPOUNDS, SELECTED FROM THE GROUP CONSISTING OF COPPER GRINDING DUST, COPPER HAMMER SCALE, LOWER COPPER OXIDES AND MIXTURES THEREOF.
Claim 2
Independent Claim
89 words
THE METHOD OF FERTILIZING AGRICULTURAL LAND WITH WASTE PRODUCTS FROM THE COPPER-FABRICATING INDUSTRIES, SAID PRODUCTS HAVING LARGE SURFACE AREA AND CONTAINING COPPER AND TRACES OF ELEMENTS, SELECTED FROM THE GROUP CONSISTING OF ZINC, COBALT, MANGANESE, MOLYBDENUM, BORON AND IRON, WHICH COMPRISED FERTILIZING SAID LAND DIRECTLY AND WITHOUT FURTHER TREATMENT WITH SAID WASTE PRODUCTS, FINELY DIVIDED, CONTAINING COPPER IN AMOUNTS RANGING FROM 44 TO 85 PERCENT AND IN THE FORM OF COMPOUNDS, SELECTED FROM THE GROUP CONSISTING OF COPPER GRINDING DUST, COPPER HAMMER SCALE, LOWER COPPER OXIDES AND MIXTURES THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |