Patent US3133653A successfully refreshed from Google Patents.
US3133653A
Expired / Lapsed
US
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Earth loader
Assignee: A C ANDERSON Inc
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Filing: 1962-03-23
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Granted: 1964-05-19
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:19
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/43; E02F3/431; E02F3/432; E02F3/433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
IN AN EARTH LOADER OR THE LIKE INCLUDING A TRACTOR, LIFT ARM MEANS PIVOTALLY CONNECTED AT ONE END TO SAID TRACTOR, A BUCKET PIVOTALLY CONNECTED TO THE OUTER FREE END OF SAID LIFT ARM MEANS, FIRST HYDRAULIC ACTUATOR MEANS FOR EFFECTING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS BETWEEN A FIRST POSITION WHEREIN SAID BUCKET IS DISPOSED ADJACENT ONE END OF SAID TRACTOR AND A SECOND POSITION WHEREIN SAID BUCKET IS DISPOSED ABOVE SAID TRACTOR, SECOND HYDRAULIC ACTUATOR MEANS FOR EFFECTING PIVOTAL MOVEMENT OF SAID BUCKET RELATIVE TO SAID LIFT ARM MEANS, MANUALLY OPERABLE VALVE MEANS FOR SELECTIVELY EFFECTING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS AND PIVOTAL MOVEMENT OF SAID BUCKET RELATIVE TO SAID LIFT ARM MEANS, FLUID LINES CONNECTING SAID MANUALLY OPERABLE VALVE MEANS TO SAID FIRST AND SECOND HYDRAULIC ACTUATOR MEANS, CONTROL MEANS OPERABLE TO PREVENT SAID BUCKET FROM TILTING FROM A TRULY LEVEL ATTITUDE TOWARD SAID TRACTOR DURING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS FROM SAID FIRST TO SAID SECOND POSITIONS, COMPRISING CONTROL VALVE MEANS DISPOSED IN SAID FLUID LINES BETWEEN SAID MANUALLY OPERABLE
Claim 2
Dependent Claim
179 words
IN AN EARTH LOADER OR THE LIKE INCLUDING A TRACTOR, LIFT ARM MEANS PIVOTALLY CONNECTED AT ONE END TO SAID TRACTOR, A BUCKET PIVOTALLY CONNECTED TO THE OUTER FREE END OF SAID LIFT ARM MEANS, FIRST HYDRAULIC ACTUATOR MEANS FOR EFFECTING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS BETWEEN A FIRST POSITION WHEREIN SAID BUCKET IS DISPOSED ADJACENT ONE END OF SAID TRACTOR AND A SECOND POSITION WHEREIN SAID BUCKET IS DISPOSED ABOVE SAID TRACTOR, SECOND HYDRAULIC ACTUATOR MEANS FOR EFFECTING PIVOTAL MOVEMENT OF SAID BUCKET RELATIVE TO SAID LIFT ARM MEANS, MANUALLY OPERABLE VALVE MEANS FOR SELECTIVELY EFFECTING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS AND PIVOTAL MOVEMENT OF SAID BUCKET RELATIVE TO SAID LIFT ARM MEANS, FLUID LINES CONNECTING SAID MANUALLY OPERABLE VALVE MEANS TO SAID FIRST AND SECOND HYDRAULIC ACTUATOR MEANS, CONTROL MEANS OPERABLE TO PREVENT SAID BUCKET FROM TILTING FROM A TRULY LEVEL ATTITUDE TOWARD SAID TRACTOR DURING PIVOTAL MOVEMENT OF SAID LIFT ARM MEANS FROM SAID FIRST TO SAID SECOND POSITIONS, COMPRISING CONTROL VALVE MEANS DISPOSED IN SAID FLUID LINES BETWEEN SAID MANUALLY OPERABLE
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |