Patent US3434955A successfully refreshed from Google Patents.
US3434955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting beam for electrolysis cells
Assignee: Pechiney SA
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Filing: 1966-05-24
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Granted: 1969-03-25
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Daniel Duclaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:46
CPC Classifications
C; C25; C25C; C25C7/00; C25C7/02; C25C7/025; C25C3/00; C25C3/06; C25C3/08; C25C3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A LIFTING DEVICE FOR ELECTROLYSIS CELLS HAVING AT LEAST ONE VERTICALLY MOVABLE CONDUCTOR MEMBER ON WHICH THE ELECTRODE RODS ARE REMOVABLY FIXED, WHICH REMAINS STATIONARY RELATIVE TO THE CELL DURING VERTICAL ADJUSTMENT OF THE CONDUCTOR MEMBER AND IN WHICH AN ELECTRICALLY CONDUCTIVE RELATIONSHIP IS MAINTAINED BETWEEN THE ELECTRODE RODS AND THE CONDUCTOR MEMBER COMPRISING A SUPPORT FRAME MOVABLE IN POSITION OVER THE CELL, A COVER PIVOTED FROM THE SUPPORT FRAME FOR ROCKING MOVEMENT IN THE DIRECTION TOWARD AND AWAY FROM THE MOVABLE CONDUCTOR MEMBER, A CLAMP FORMING A PART OF THE COVER HAVING A STATIONARY MEMBER FIXED TO THE COVER AND A MEMBER MOVABLE IN THE DIRECTION TOWARD AND AWAY FROM THE STATIONARY MEMBER BETWEEN CLAMPING AND UNCLAMPING POSITION, RESILIENT MEANS OPERATIVELY CONNECTED TO SAID MOVABLE MEMBER CONSTANTLY TO URGE SAID MOVABLE MEMBER IN ONE DIRECTION, AND JACK MEANS OPERATIVELY CONNECTED TO SAID MOVABLE MEMBER FOR ACTUATION THEREOF IN THE OPPOSITE DIRECTION AND MEANS FOR DISPLACEMENT OF THE FRAME AND COVER TO POSITION AN ELECTRODE ROD BETWEEN THE CLAMPING MEMBERS.
Claim 2
Dependent Claim
170 words
A LIFTING DEVICE FOR ELECTROLYSIS CELLS HAVING AT LEAST ONE VERTICALLY MOVABLE CONDUCTOR MEMBER ON WHICH THE ELECTRODE RODS ARE REMOVABLY FIXED, WHICH REMAINS STATIONARY RELATIVE TO THE CELL DURING VERTICAL ADJUSTMENT OF THE CONDUCTOR MEMBER AND IN WHICH AN ELECTRICALLY CONDUCTIVE RELATIONSHIP IS MAINTAINED BETWEEN THE ELECTRODE RODS AND THE CONDUCTOR MEMBER COMPRISING A SUPPORT FRAME MOVABLE IN POSITION OVER THE CELL, A COVER PIVOTED FROM THE SUPPORT FRAME FOR ROCKING MOVEMENT IN THE DIRECTION TOWARD AND AWAY FROM THE MOVABLE CONDUCTOR MEMBER, A CLAMP FORMING A PART OF THE COVER HAVING A STATIONARY MEMBER FIXED TO THE COVER AND A MEMBER MOVABLE IN THE DIRECTION TOWARD AND AWAY FROM THE STATIONARY MEMBER BETWEEN CLAMPING AND UNCLAMPING POSITION, RESILIENT MEANS OPERATIVELY CONNECTED TO SAID MOVABLE MEMBER CONSTANTLY TO URGE SAID MOVABLE MEMBER IN ONE DIRECTION, AND JACK MEANS OPERATIVELY CONNECTED TO SAID MOVABLE MEMBER FOR ACTUATION THEREOF IN THE OPPOSITE DIRECTION AND MEANS FOR DISPLACEMENT OF THE FRAME AND COVER TO POSITION AN ELECTRODE ROD BETWEEN THE CLAMPING MEMBERS.
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |