US3149732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator system
Assignee: Paco Corp
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Filing: 1962-05-07
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Granted: 1964-09-22
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Gagnon Pierre
- 👤 Laforest Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:14
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A TRANSFER ELEVATOR FOR RECEIVING OBJECTS AT A FIRST LEVEL AND DISCHARGING THE SAME AT A SECOND LOWER LEVEL ONTO AN UNDERLYING SURFACE, COMPRISING, IN COMBINATION, VERTICAL GUIDE RAILS, A FRAMEWORK GUIDED BY SAID GUIDE RAILS FOR UP AND DOWN MOVEMENT, POWER MEANS FOR RAISING AND LOWERING SAID FRAMEWORK, A PAIR OF HORIZONTAL COPLANAR DRAWER PLATES MOUNTED FOR HORIZONTAL MOVEMENT ON SAID FRAMEWORK BETWEEN A CLOSED POSITION IN WHICH SAID DRAWER PLATES ABUT EACH OTHER AT THEIR INNER EDGE TO FORM A SUBSTANTIALLY CONTINUOUS PLATFORM, AND AN OPEN RETRACTED POSITION IN WHICH SAID DRAWER PLATES ARE SPACED FROM EACH OTHER, A PAIR OF PUSHER BLADES CARRIED BY SAID FRAMEWORK AND DISPOSED IN PROXIMITY WITH AND OVER THE RESPECTIVE DRAWER PLATES, SAID PUSHER BLADES MOVABLE HORIZONTALLY WITH RESPECT TO SAID FRAMEWORK TOWARDS AND AWAY FROM EACH OTHER, POWER MEANS TO MOVE SAID PUSHER BLADES AND POWER MEANS FOR HORIZONTALLY MOVING SAID DRAWER PLATES BETWEEN SAID CLOSED AND OPEN POSITIONS.
Claim 2
Dependent Claim
158 words
A TRANSFER ELEVATOR FOR RECEIVING OBJECTS AT A FIRST LEVEL AND DISCHARGING THE SAME AT A SECOND LOWER LEVEL ONTO AN UNDERLYING SURFACE, COMPRISING, IN COMBINATION, VERTICAL GUIDE RAILS, A FRAMEWORK GUIDED BY SAID GUIDE RAILS FOR UP AND DOWN MOVEMENT, POWER MEANS FOR RAISING AND LOWERING SAID FRAMEWORK, A PAIR OF HORIZONTAL COPLANAR DRAWER PLATES MOUNTED FOR HORIZONTAL MOVEMENT ON SAID FRAMEWORK BETWEEN A CLOSED POSITION IN WHICH SAID DRAWER PLATES ABUT EACH OTHER AT THEIR INNER EDGE TO FORM A SUBSTANTIALLY CONTINUOUS PLATFORM, AND AN OPEN RETRACTED POSITION IN WHICH SAID DRAWER PLATES ARE SPACED FROM EACH OTHER, A PAIR OF PUSHER BLADES CARRIED BY SAID FRAMEWORK AND DISPOSED IN PROXIMITY WITH AND OVER THE RESPECTIVE DRAWER PLATES, SAID PUSHER BLADES MOVABLE HORIZONTALLY WITH RESPECT TO SAID FRAMEWORK TOWARDS AND AWAY FROM EACH OTHER, POWER MEANS TO MOVE SAID PUSHER BLADES AND POWER MEANS FOR HORIZONTALLY MOVING SAID DRAWER PLATES BETWEEN SAID CLOSED AND OPEN POSITIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |