US2944954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of metal sheet
Assignee: American Smelting and Refining Co
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Filing: 1959-02-06
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Granted: 1960-07-12
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Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Robert P Yeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:05
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR THE ELECTROLYTIC PRODUCTION OF METAL SHEET COMPRISING AN ELECTROLYTE TANK, A ROTATABLE DRUM HAVING A PORTION OF ITS CIRCUMFERENCE DISPOSED IN SAID TANK, MEANS TO ROTATE SAID DRUM, AN ANODE DISPOSED IN SAID TANK, IN PROXIMITY TO THE DRUM, MEANS CONNECTING SAID DRUM AND SAID ANODE TO A SOURCE OF DIRECT CURRENT, SIDE PLATES FOR THE SIDES OF THE DRUM, SAID SIDE PLATES BEING FABRICATED OF AN ELECTRICALLY INSULATING AND MACHINABLE MATERIAL, YIELDABLE MEANS URGING SAID PLATES IN CONTACT AGAINST THE SIDES OF THE DRUM THE CONTACTING SURFACES BETWEEN SAID PLATES AND THE SIDES OF SAID DRUM BEING MACHINED CONTACTING SURFACES, MEANS TO PROVIDE RELATIVE ROTATIVE MOTION BETWEEN SAID SIDE PLATES AND SAID DRUM, AND MEANS ON SAID SIDE PLATES FOR SUPPLYING A SEALANT TO SAID MACHINED CONTACTING SURFACES.
Claim 2
Dependent Claim
131 words
APPARATUS FOR THE ELECTROLYTIC PRODUCTION OF METAL SHEET COMPRISING AN ELECTROLYTE TANK, A ROTATABLE DRUM HAVING A PORTION OF ITS CIRCUMFERENCE DISPOSED IN SAID TANK, MEANS TO ROTATE SAID DRUM, AN ANODE DISPOSED IN SAID TANK, IN PROXIMITY TO THE DRUM, MEANS CONNECTING SAID DRUM AND SAID ANODE TO A SOURCE OF DIRECT CURRENT, SIDE PLATES FOR THE SIDES OF THE DRUM, SAID SIDE PLATES BEING FABRICATED OF AN ELECTRICALLY INSULATING AND MACHINABLE MATERIAL, YIELDABLE MEANS URGING SAID PLATES IN CONTACT AGAINST THE SIDES OF THE DRUM THE CONTACTING SURFACES BETWEEN SAID PLATES AND THE SIDES OF SAID DRUM BEING MACHINED CONTACTING SURFACES, MEANS TO PROVIDE RELATIVE ROTATIVE MOTION BETWEEN SAID SIDE PLATES AND SAID DRUM, AND MEANS ON SAID SIDE PLATES FOR SUPPLYING A SEALANT TO SAID MACHINED CONTACTING SURFACES.
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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |