US3086152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic motor-driven leveler for loading ramp
Assignee: Stanray Corp
•
Filing: 1960-08-05
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Granted: 1963-04-16
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Carl L Lodjic
- 👤 Robert D Lichti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:59
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/30; B64F1/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN COMBINATION: TWO RELATIVELY MOVABLE STRUCTURES; MEANS INCLUDING REVERSIBLE MOTOR MEANS FOR RELATIVELY MOVING SAID STRUCTURES; AND CONTROL MEANS RESPONSIVE TO RELATIVE MOVEMENT OF SAID STRUCTURES FOR OPERATING SAID REVERSIBLE MOTOR MEANS IN DIRECTIONS TO MAINTAIN SAID STRUCTURES IN THE SAME RELATIVE POSITIONS, INCLUDING A SUPPORTING MEMBER MOUNTED ON ONE OF SAID STRUCTURES FOR MOVEMENT TOWARD AND AWAY FROM THE OTHER OF SAID STRUCTURES, MEANS INTERCONNECTING SAID SUPPORTING MEMBER AND SAID ONE STRUCTURE FOR BIASING SAID SUPPORTING MEMBER TOWARD SAID OTHER STRUCTURE, A SENSING MEMBER PIVOTALLY MOUNTED ON SAID SUPPORTING MEMBER AND HAVING AN ARCUATE SURFACE FRICTIONALLY AND ROLLABLY ENGAGEABLE WITH SAID OTHER STRUCTURE, AND A CONTROL MEMBER DIRECTLY CONNECTED TO SAID SENSING MEMBER, SO AS TO PIVOT THEREWITH, AND OPERATIVELY CONNECTED TO SAID REVERSIBLE MOTOR MEANS.
Claim 2
Dependent Claim
127 words
IN COMBINATION: TWO RELATIVELY MOVABLE STRUCTURES; MEANS INCLUDING REVERSIBLE MOTOR MEANS FOR RELATIVELY MOVING SAID STRUCTURES; AND CONTROL MEANS RESPONSIVE TO RELATIVE MOVEMENT OF SAID STRUCTURES FOR OPERATING SAID REVERSIBLE MOTOR MEANS IN DIRECTIONS TO MAINTAIN SAID STRUCTURES IN THE SAME RELATIVE POSITIONS, INCLUDING A SUPPORTING MEMBER MOUNTED ON ONE OF SAID STRUCTURES FOR MOVEMENT TOWARD AND AWAY FROM THE OTHER OF SAID STRUCTURES, MEANS INTERCONNECTING SAID SUPPORTING MEMBER AND SAID ONE STRUCTURE FOR BIASING SAID SUPPORTING MEMBER TOWARD SAID OTHER STRUCTURE, A SENSING MEMBER PIVOTALLY MOUNTED ON SAID SUPPORTING MEMBER AND HAVING AN ARCUATE SURFACE FRICTIONALLY AND ROLLABLY ENGAGEABLE WITH SAID OTHER STRUCTURE, AND A CONTROL MEMBER DIRECTLY CONNECTED TO SAID SENSING MEMBER, SO AS TO PIVOT THEREWITH, AND OPERATIVELY CONNECTED TO SAID REVERSIBLE MOTOR MEANS.
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |