US3306241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammoniated fertilizer sealing device
Assignee: Individual
•
Filing: 1965-08-09
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Granted: 1967-02-28
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Maurice L Copple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:28
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN AMMONIATED FERTILIZER SEALING DEVICE COMPRISING A BLADE, A TUBE ATTACHED TO SAID BLADE AND ADAPTED TO EJECT A FERTILIZING GAS ADJACENT SAID BLADE, A PAIR OF TRANSVERSELY SPACED DISCS POSITIONED REARWARDLY OF SAID BLADE AND ADAPTED TO PULVERIZE SOIL BEHIND SAID BLADE AND TO SEAL SAID GAS INTO SAID SOIL, SAID DISCS CONVERGING REARWARDLY, SUBSTANTIALLY VERTICAL SHANKS TO WHICH SAID DISCS ARE JOURNALLED, A HORIZONTALLY EXTENDING FRAMEWORK TO WHICH SAID SHANKS ARE ATTACHED, VERTICALLY POSITIONED SPACED PLATES ATTACHED TO SAID BLADE, ANGULARLY POSITIONED STRAPS ATTACHED TO SAID PLATES, SAID FRAMEWORK BEING PIVOTALLY CONNECTED TO SAID STRAPS, STOP MEMBERS ATTACHED TO SAID STRAPS AND ADAPTED TO LIMIT DOWNWARD MOVEMENT OF SAID FRAMEWORK, AND RESILIENT MEANS CONNECTING SAID PLATES AND SAID FRAMEWORK.
Claim 2
Dependent Claim
121 words
AN AMMONIATED FERTILIZER SEALING DEVICE COMPRISING A BLADE, A TUBE ATTACHED TO SAID BLADE AND ADAPTED TO EJECT A FERTILIZING GAS ADJACENT SAID BLADE, A PAIR OF TRANSVERSELY SPACED DISCS POSITIONED REARWARDLY OF SAID BLADE AND ADAPTED TO PULVERIZE SOIL BEHIND SAID BLADE AND TO SEAL SAID GAS INTO SAID SOIL, SAID DISCS CONVERGING REARWARDLY, SUBSTANTIALLY VERTICAL SHANKS TO WHICH SAID DISCS ARE JOURNALLED, A HORIZONTALLY EXTENDING FRAMEWORK TO WHICH SAID SHANKS ARE ATTACHED, VERTICALLY POSITIONED SPACED PLATES ATTACHED TO SAID BLADE, ANGULARLY POSITIONED STRAPS ATTACHED TO SAID PLATES, SAID FRAMEWORK BEING PIVOTALLY CONNECTED TO SAID STRAPS, STOP MEMBERS ATTACHED TO SAID STRAPS AND ADAPTED TO LIMIT DOWNWARD MOVEMENT OF SAID FRAMEWORK, AND RESILIENT MEANS CONNECTING SAID PLATES AND SAID FRAMEWORK.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |