US3198360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket position control mechanism
Assignee: Frank G Hough Co
•
Filing: 1963-04-30
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Granted: 1965-08-03
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Don S Strader
- 👤 Marcus W Hagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:27
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/43; E02F3/431; E02F3/432
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
IN A TRACTOR LOADER HAVING A PIVOTALLY CARRIED BUCKET, LINKAGE MEANS INCLUDING A HYDRAULIC CYLINDER CONNECTED TO SAID BUCKET SO THAT SAID BUCKET IS PIVOTED IN EITHER OF TWO DIRECTIONS RESPONSIVE TO OPERATIONS OF SAID HYDRAULIC CYLINDER, A HYDRAULIC VALVE, HYDRAULIC CIRCUIT MEANS CONNECTING SAID HYDRAULIC VALVE TO SAID HYDRAULIC CYLINDER FOR OPERATION OF SAID HYDRAULIC CYLINDER RESPONSIVE TO OPERATIONS OF SAID HYDRAULIC VALVE TO SELECTIVELY PIVOT SAID BUCKET A SELECTED AMOUNT IN EITHER OF SAID TWO DIRECTIONS, AND INDEXING MEANS INCLUDING A SLOTTED DETENT SLEEVE OPERABLE TO HOLD SAID HYDRAULIC VALVE OPERATED WHEN SAID HYDRAULIC VALVE IS OPERATED TO PIVOT SAID BUCKET IN A CERTAIN ONE OF SAID TWO DIRECTIONS AND ANOTHER MEANS OPERATING
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |