US3057713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer sticks
Assignee: Individual
•
Filing: 1960-04-04
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Granted: 1962-10-09
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Albert E Gessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:03
CPC Classifications
A; A01; A01C; A01C21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A POINTED ELONGATED STICK OF A COMPOSITION OBTAINED BY DRYING AN AQUEOUS MOLDED DOUGH CONSISTING ESSENTIALLY OF A POWDERED SUPERPHOSPHATE FERTILIZER, 5 TO 25% OF THE WEIGHT OF FERTILIZER OF ASBESTOS FIBER, AND 5 TO 50% OF THE WEIGHT OF PHOSPHORIC ACID EXPRESSED AS H3PO4, THE STICK HAVING A RELATIVELY NON-POROUS NON-FRIABLE EXTERIOR SURFACE AND A POROUS, HARD FRIABLE INTERIOR, THE NON-POROUS, NON-FRIABLE EXTERIOR HAVING A HIGHER CONCENTRATION OF PHOSPHORIC ACID THAN THE POROUS, HARD, FRIABLE INTERIOR.
Claim 2
Dependent Claim
77 words
A POINTED ELONGATED STICK OF A COMPOSITION OBTAINED BY DRYING AN AQUEOUS MOLDED DOUGH CONSISTING ESSENTIALLY OF A POWDERED SUPERPHOSPHATE FERTILIZER, 5 TO 25% OF THE WEIGHT OF FERTILIZER OF ASBESTOS FIBER, AND 5 TO 50% OF THE WEIGHT OF PHOSPHORIC ACID EXPRESSED AS H3PO4, THE STICK HAVING A RELATIVELY NON-POROUS NON-FRIABLE EXTERIOR SURFACE AND A POROUS, HARD FRIABLE INTERIOR, THE NON-POROUS, NON-FRIABLE EXTERIOR HAVING A HIGHER CONCENTRATION OF PHOSPHORIC ACID THAN THE POROUS, HARD, FRIABLE INTERIOR.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |