Patent US3073045A successfully refreshed from Google Patents.
US3073045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper bowl hoist assembly
Assignee: Motors Liquidation Co
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Filing: 1961-05-17
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Granted: 1963-01-15
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Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas M Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/652; E02F3/6454; E02F3/653; E02F9/00; E02F9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A SCRAPER VEHICLE COMPRISING A FIRST FRAME MEMBER, A SECOND FRAME MEMBER INCLUDING A SCRAPER BOWL, MEANS PIVOTALLY INTERCONNECTING SAID FRAME MEMBERS FOR MOVEMENT OF SAID BOWL BETWEEN A LOWERED DIGGING POSITION AND A RAISED CARRYING POSITION, BOWL CONTROL MEANS MOUNTED ON SAID FIRST FRAME MEMBER AND CONNECTED TO SAID SECOND FRAME MEMBER TO CONTROL THE POSITION OF SAID BOWL, SAID BOWL CONTROL MEANS COMPRISING A PAIR OF SPACED LEVERS PIVOTALLY CONNECTED TO SAID FIRST FRAME MEMBER, MEANS CONNECTING EACH OF SAID LEVERS TO SAID SECOND FRAME MEMBER, A YOKE CONNECTED TO SAID LEVERS ABOUT A FIRST PIVOT AXIS, AND POWER OPERATED MEANS MOUNTED ON SAID FIRST FRAME MEMBER AND CONNECTED TO SAID YOKE ABOUT A SECOND PIVOT AXIS PERPENDICULAR TO THE FIRST PIVOT AXIS SO AS TO PERMIT LIMITED TWISTING MOVEMENT OF THE SECOND FRAME MEMBER ABOUT SAID SECOND PIVOT AXIS.
Claim 2
Dependent Claim
142 words
A SCRAPER VEHICLE COMPRISING A FIRST FRAME MEMBER, A SECOND FRAME MEMBER INCLUDING A SCRAPER BOWL, MEANS PIVOTALLY INTERCONNECTING SAID FRAME MEMBERS FOR MOVEMENT OF SAID BOWL BETWEEN A LOWERED DIGGING POSITION AND A RAISED CARRYING POSITION, BOWL CONTROL MEANS MOUNTED ON SAID FIRST FRAME MEMBER AND CONNECTED TO SAID SECOND FRAME MEMBER TO CONTROL THE POSITION OF SAID BOWL, SAID BOWL CONTROL MEANS COMPRISING A PAIR OF SPACED LEVERS PIVOTALLY CONNECTED TO SAID FIRST FRAME MEMBER, MEANS CONNECTING EACH OF SAID LEVERS TO SAID SECOND FRAME MEMBER, A YOKE CONNECTED TO SAID LEVERS ABOUT A FIRST PIVOT AXIS, AND POWER OPERATED MEANS MOUNTED ON SAID FIRST FRAME MEMBER AND CONNECTED TO SAID YOKE ABOUT A SECOND PIVOT AXIS PERPENDICULAR TO THE FIRST PIVOT AXIS SO AS TO PERMIT LIMITED TWISTING MOVEMENT OF THE SECOND FRAME MEMBER ABOUT SAID SECOND PIVOT AXIS.
References Cited (Backward Citations)
US2311639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |