Patent US3208610A successfully refreshed from Google Patents.
US3208610A
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US
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Self-filling bottom-dumping front end loader
Assignee: Pettibone Traverse Lift LLC
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Filing: 1962-09-07
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Granted: 1965-09-28
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Anthony T Logus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:23
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/401; E02F3/407; E02F3/4075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
LOADING APPARATUS INCLUDING A SUPPORT, A LIFT ARM PIVOTED TO THE SUPPORT, HYDRAULIC LIFT CYLINDER MEANS FOR RAISING THE LIFT ARMS FROM A POSITION IN WHICH THEY EXTEND FORWARDLY AND DOWNWARDLY FROM THE PIVOTAL POINT ON THE SUPPORT TO A POSITION IN WHICH THE EXTEND FORWARDLY AND UPWARDLY FROM SAID PIVOTAL POINT, A BUCKET PIVOTED TO THE FORWARD END OF THE LIFT ARM, AND AN OPEN FACE DEMARKED BY AN ENTRY LIP ALONG ONE SIDE THEREOF AND FACING MAINLY FORWARDLY IN ONE POSITION OF THE BUCKET WITH THE LIFT ARM LOWERED, AND HYDRAULIC CYLINDER MEANS INDEPENDENT OF THE LIFT CYLINDER MEANS FOR CONTROLLING THE ANGULARITY OF THE BUCKET WITH RESPECT TO THE LIFT ARM TO MOVE THE BUCKET TO A POSITION UPRIGHT, WITH ITS OPEN FACE FACING UPWARDLY, IN WHICH THE PIVOTAL POINT BETWEEN THE BUCKET AND THE LIFT ARM IS ON THE TOP OF THE BUCKET WHEN THE BUCKET
Claim 2
Dependent Claim
150 words
LOADING APPARATUS INCLUDING A SUPPORT, A LIFT ARM PIVOTED TO THE SUPPORT, HYDRAULIC LIFT CYLINDER MEANS FOR RAISING THE LIFT ARMS FROM A POSITION IN WHICH THEY EXTEND FORWARDLY AND DOWNWARDLY FROM THE PIVOTAL POINT ON THE SUPPORT TO A POSITION IN WHICH THE EXTEND FORWARDLY AND UPWARDLY FROM SAID PIVOTAL POINT, A BUCKET PIVOTED TO THE FORWARD END OF THE LIFT ARM, AND AN OPEN FACE DEMARKED BY AN ENTRY LIP ALONG ONE SIDE THEREOF AND FACING MAINLY FORWARDLY IN ONE POSITION OF THE BUCKET WITH THE LIFT ARM LOWERED, AND HYDRAULIC CYLINDER MEANS INDEPENDENT OF THE LIFT CYLINDER MEANS FOR CONTROLLING THE ANGULARITY OF THE BUCKET WITH RESPECT TO THE LIFT ARM TO MOVE THE BUCKET TO A POSITION UPRIGHT, WITH ITS OPEN FACE FACING UPWARDLY, IN WHICH THE PIVOTAL POINT BETWEEN THE BUCKET AND THE LIFT ARM IS ON THE TOP OF THE BUCKET WHEN THE BUCKET
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |