Patent US3716212A successfully refreshed from Google Patents.
US3716212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprayer boom leveling and folding apparatus
Assignee: Deere and Co
•
Filing: 1971-09-27
•
Granted: 1973-02-13
•
Expires: 1991-09-27
Abstract
Abstract A SPRAYER BOOM IS PIVOTALLY CONNECTED TO A GENERALLY UPRIGHT SUPPORT MEMBER FOR MOVEMENT ABOUT AN UPRIGHT AXIS BETWEEN WORKING AND TRANSPORT POSITIONS. THE SUPPORT MEMBER IS PIVOTALLY CONNECTED AT ITS UPPER END TO A BOOM MOUNTING FRAME. A HYDRAULIC CYLINDER IS INTERCONNECTED WITH THE SUPPORT MEMBER AND BOOM TO MOVE THE SUPPORT MEMBER OUTWARDLY UPON INITIAL EXTENSION AND TO FOLD THE BOOM FROM ITS WORKING POSITION TO ITS TRANSPORT POSITION UPON ADDITIONAL EXTENSION. THE CONSTRUCTION PER- MITS THE USE OF A SINGLE CYLINDER TO CONTROL BOTH THE LEVELING AND FOLDING OF THE SPRAYER BOOM.
Inventors
- 👤 R Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0071; A01M7/0075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |