Patent US3073044A successfully refreshed from Google Patents.
US3073044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper bowl
Assignee: Motors Liquidation Co
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Filing: 1959-09-14
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Granted: 1963-01-15
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Bernotas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:06
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/656; E02F3/6454; E02F3/6472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A SCRAPER BOWL COMPRISING A TRANSPORTABLE BOWL FRAME INCLUDING TRANSVERSELY SPACED LONGITUDINALLY EXTENDING SIDE WALLS, A FIXED BOWL FLOOR EXTENDING TRANSVERSELY BETWEEN SAID SIDE WALLS INTERMEDIATE THE ENDS OF SAID BOWL FRAME, A TRANSVERSELY EXTENDING EJECTOR PLATE ARCUATELY SHAPED IN VERTICAL CROSS SECTION TO FORM A LOWER FLOOR PORTION AND REAR BOWL WALL UPSTANDING THEREFROM, SAID PLATE BEING POSITIONED IN THE REAR OF SAID BOWL WHILE TRANSPORTING A LOAD THEREIN, MEANS CONNECTING A FIXED TRANSVERSE AXIS ON SAID EJECTOR FLOOR PORTION TO SAID SIDE WALLS FOR LONGITUDINAL FORWARD TRANSLATIONAL MOVEMENT RELATIVE THERETO AND CONCURRENT FORWARD PIVOTAL MOVEMENT OF SAID EJECTOR PLATE ABOUT SAID AXIS IN EJECTING A LOAD FROM SAID BOWL, AN EJECTOR OPERATING LEVER HAVING FIRST AND SECOND POINTS THEREON RESPECTIVELY PIVOTALLY CONNECTED TO THE BOWL FRAME AND EJECTOR PLATE, THE SECOND POINT ON SAID LEVER BEING LOCATED SUBSTANTIALLY IN A HORIZONTAL PLANE PASSING THROUGH THE FIXED TRANSVERSE AXIS ON SAID EJECTOR
Claim 2
Dependent Claim
153 words
A SCRAPER BOWL COMPRISING A TRANSPORTABLE BOWL FRAME INCLUDING TRANSVERSELY SPACED LONGITUDINALLY EXTENDING SIDE WALLS, A FIXED BOWL FLOOR EXTENDING TRANSVERSELY BETWEEN SAID SIDE WALLS INTERMEDIATE THE ENDS OF SAID BOWL FRAME, A TRANSVERSELY EXTENDING EJECTOR PLATE ARCUATELY SHAPED IN VERTICAL CROSS SECTION TO FORM A LOWER FLOOR PORTION AND REAR BOWL WALL UPSTANDING THEREFROM, SAID PLATE BEING POSITIONED IN THE REAR OF SAID BOWL WHILE TRANSPORTING A LOAD THEREIN, MEANS CONNECTING A FIXED TRANSVERSE AXIS ON SAID EJECTOR FLOOR PORTION TO SAID SIDE WALLS FOR LONGITUDINAL FORWARD TRANSLATIONAL MOVEMENT RELATIVE THERETO AND CONCURRENT FORWARD PIVOTAL MOVEMENT OF SAID EJECTOR PLATE ABOUT SAID AXIS IN EJECTING A LOAD FROM SAID BOWL, AN EJECTOR OPERATING LEVER HAVING FIRST AND SECOND POINTS THEREON RESPECTIVELY PIVOTALLY CONNECTED TO THE BOWL FRAME AND EJECTOR PLATE, THE SECOND POINT ON SAID LEVER BEING LOCATED SUBSTANTIALLY IN A HORIZONTAL PLANE PASSING THROUGH THE FIXED TRANSVERSE AXIS ON SAID EJECTOR
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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) | 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 |