Patent US3370729A successfully refreshed from Google Patents.
US3370729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor mounted loader linkage
Assignee: International Motors LLC
•
Filing: 1966-10-17
•
Granted: 1968-02-27
•
Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:26
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405; E02F3/3408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A LOADER LINKAGE FOR USE WITH A TRACTOR INCLUDING, A BOOM ASSEMBLY PIVOTALLY ATTACHED TO THE TRACTOR AT ONE END OF THE ASSEMBLY, A BUCKET PIVOTALLY ATTACHED TO THE BOOM ASSEMBLY AT THE OTHER END THEREOF, TILT LINKAGE PIVOTALLY ATTACHED TO THE BOOM ASSEMBLY AND THE BUCKET, AND LIFTING MEANS FOR RAISING AND LOWERING THE BOOM ASSEMBLY AND THE BUCKET, THE IMPROVEMENT COMPRISING: A PAIR OF ARMS FORMING THE BOOM ASSEMBLY WHEREIN THE BOOM ASSEMBLY INCLUDES A REARWARD BOOM ARM AND A FORWARD BOOM ARM PIVOTALLY CONNECTED TOGETHER AT RESPECTIVE ENDS; MEANS CONNECTING THE LIFTING MEANS WITH THE FORWARD BOOM ARM; AND SETS OF ALTERNATELY ENGAGEABLE AND DISENGAGEABLE STOP SURFACES OF WHICH THE SURFACES OF EACH SET ARE RESPECTIVELY ON THE PIVOTALLY CONNECTED ENDS OF THE BOOMS ARMS AND COOPERATIVELY ARRANGED SO THAT AS THE LIFTING MEANS RAISES THE BOOM ASSEMBLY THE REARWARD BOOM ARM IS FIRST RAISED TO A PREDETERMINED POSITION WHILE ONE SET OF SAID STOP SURFACES
Claim 2
Dependent Claim
159 words
A LOADER LINKAGE FOR USE WITH A TRACTOR INCLUDING, A BOOM ASSEMBLY PIVOTALLY ATTACHED TO THE TRACTOR AT ONE END OF THE ASSEMBLY, A BUCKET PIVOTALLY ATTACHED TO THE BOOM ASSEMBLY AT THE OTHER END THEREOF, TILT LINKAGE PIVOTALLY ATTACHED TO THE BOOM ASSEMBLY AND THE BUCKET, AND LIFTING MEANS FOR RAISING AND LOWERING THE BOOM ASSEMBLY AND THE BUCKET, THE IMPROVEMENT COMPRISING: A PAIR OF ARMS FORMING THE BOOM ASSEMBLY WHEREIN THE BOOM ASSEMBLY INCLUDES A REARWARD BOOM ARM AND A FORWARD BOOM ARM PIVOTALLY CONNECTED TOGETHER AT RESPECTIVE ENDS; MEANS CONNECTING THE LIFTING MEANS WITH THE FORWARD BOOM ARM; AND SETS OF ALTERNATELY ENGAGEABLE AND DISENGAGEABLE STOP SURFACES OF WHICH THE SURFACES OF EACH SET ARE RESPECTIVELY ON THE PIVOTALLY CONNECTED ENDS OF THE BOOMS ARMS AND COOPERATIVELY ARRANGED SO THAT AS THE LIFTING MEANS RAISES THE BOOM ASSEMBLY THE REARWARD BOOM ARM IS FIRST RAISED TO A PREDETERMINED POSITION WHILE ONE SET OF SAID STOP SURFACES
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |