US2849970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsoil injector
Assignee: Coberly and Plumb
•
Filing: 1955-03-29
•
Granted: 1958-09-02
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Charles W Coberly
- 👤 Alex W Barsoom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN AGRICULTURAL IMPLEMENT FOR INJECTING LIQUID ANHYDROUS AMMONIA INTO THE SOIL COMPRISING AN ELONGATED SUBSTANTIALLY CYLINDRICAL STRAIGHT HOLLOW SLEEVE HAVING A FLATTENED SOIL PENETRATING END WITH A POINTED TIP ADAPTED FOR EARTH PENETRATING END WITH A POINTED TIP ADAPTED END, AN ELONGATED REINFORCING FIN INTEGRALLY ATTACHED LONGITUDINALLY OF THE SLEEVE AND RADICALLY EXTENDED THEREFROM A MOUNTING ARM HAVING A TOOL CONNECTING PORTION EXTENDED DIAMETRICALLY THROUGH THE SLEEVE IN OBTUSE ANGULAR RELATION THEREWITH ADJACENT TO THE UPPER OPEN END AND INTEGRALLY CONNECTED TO THE REINFORCING FIN, THE MOUNTING ARM ALSO HAVING A TOOL BAR CONNECTING PORTION PERPENDICULARLY EXTENDED FROM THE TOOL CONNECTING PORTION IN THE
Claim 2
Dependent Claim
104 words
AN AGRICULTURAL IMPLEMENT FOR INJECTING LIQUID ANHYDROUS AMMONIA INTO THE SOIL COMPRISING AN ELONGATED SUBSTANTIALLY CYLINDRICAL STRAIGHT HOLLOW SLEEVE HAVING A FLATTENED SOIL PENETRATING END WITH A POINTED TIP ADAPTED FOR EARTH PENETRATING END WITH A POINTED TIP ADAPTED END, AN ELONGATED REINFORCING FIN INTEGRALLY ATTACHED LONGITUDINALLY OF THE SLEEVE AND RADICALLY EXTENDED THEREFROM A MOUNTING ARM HAVING A TOOL CONNECTING PORTION EXTENDED DIAMETRICALLY THROUGH THE SLEEVE IN OBTUSE ANGULAR RELATION THEREWITH ADJACENT TO THE UPPER OPEN END AND INTEGRALLY CONNECTED TO THE REINFORCING FIN, THE MOUNTING ARM ALSO HAVING A TOOL BAR CONNECTING PORTION PERPENDICULARLY EXTENDED FROM THE TOOL CONNECTING PORTION IN THE
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |