Patent US3150784A successfully refreshed from Google Patents.
US3150784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Displaceable lifting platform for automotive vehicles
Assignee: Focke Wulf GmbH
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Filing: 1962-09-05
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Granted: 1964-09-29
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Rothe Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:10
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/22; B66F7/06; B66F7/0691; B66F7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A LIFT FOR VEHICLES, A BASE DEFINING A NORMALLYHORIZONTAL PLANE, A PAIR OF RIGIDLY INTERCONNECTED LATERALLYSPACED PARALLEL LOAD ARMS EACH PIVOTED AT ONE END, ON A COMMON, NORMALLY-HORIZONTAL FIRST AXIS, TO ONE END OF SAID BASE, EACH SAID LOAD ARM HAVING FIRST VEHICLE-ENGAGING LIFT MEANS AT ITS DISTAL END, FIRST AND SECOND, LATERALLY-SPACED, RIGIDLY INTERCONNECTED SUPPORT ARMS, EACH PIVOTED AT ONE END THEREOF ON A COMMON HORIZONTAL SECOND AXIS TO A RESPECTIVE ONE OF SAID LOAD ARMS, BETWEEN THE ENDS THEREOF, SECOND VEHICLE-ENGAGING LIFT MEANS CARRIED BY THE OTHER ENDS OF SAID SUPPORT ARMS, INTERENGAGING ABUTMENT MEANS CARRIED BY SAID ARMS ADJACENT SAID SECOND AXIS, AND INTERENGAGING AND PIVOTING SAID SUPPORT ARMS AS A UNIT WITH SAID LOAD ARMS, ABOUT SAID FIRST AXIS, ONLY AFTER SAID LOAD ARMS HAVE PIVOTED THROUGH A SUBSTANTIAL ANGLE ABOUT SAID FIRST AXIS, OUT OF THE PLANE OF SAID BASE, AND HYDRAULIC PRESSURE FLUID MEANS CARRIED BY SAID BASE, AND ACTING UPON SAID LOAD ARMS TO PIVOT THE SAME OUT OF SAID PLANE IN RESPONSE TO INTRODUCTION OF PRESSURE FLUID THEREINTO.
Claim 2
Dependent Claim
177 words
IN A LIFT FOR VEHICLES, A BASE DEFINING A NORMALLYHORIZONTAL PLANE, A PAIR OF RIGIDLY INTERCONNECTED LATERALLYSPACED PARALLEL LOAD ARMS EACH PIVOTED AT ONE END, ON A COMMON, NORMALLY-HORIZONTAL FIRST AXIS, TO ONE END OF SAID BASE, EACH SAID LOAD ARM HAVING FIRST VEHICLE-ENGAGING LIFT MEANS AT ITS DISTAL END, FIRST AND SECOND, LATERALLY-SPACED, RIGIDLY INTERCONNECTED SUPPORT ARMS, EACH PIVOTED AT ONE END THEREOF ON A COMMON HORIZONTAL SECOND AXIS TO A RESPECTIVE ONE OF SAID LOAD ARMS, BETWEEN THE ENDS THEREOF, SECOND VEHICLE-ENGAGING LIFT MEANS CARRIED BY THE OTHER ENDS OF SAID SUPPORT ARMS, INTERENGAGING ABUTMENT MEANS CARRIED BY SAID ARMS ADJACENT SAID SECOND AXIS, AND INTERENGAGING AND PIVOTING SAID SUPPORT ARMS AS A UNIT WITH SAID LOAD ARMS, ABOUT SAID FIRST AXIS, ONLY AFTER SAID LOAD ARMS HAVE PIVOTED THROUGH A SUBSTANTIAL ANGLE ABOUT SAID FIRST AXIS, OUT OF THE PLANE OF SAID BASE, AND HYDRAULIC PRESSURE FLUID MEANS CARRIED BY SAID BASE, AND ACTING UPON SAID LOAD ARMS TO PIVOT THE SAME OUT OF SAID PLANE IN RESPONSE TO INTRODUCTION OF PRESSURE FLUID THEREINTO.
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |