Patent US2793993A successfully refreshed from Google Patents.
US2793993A
Expired / Lapsed
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Electrolytic treating apparatus
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1954-07-21
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Granted: 1957-05-28
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Expires: 1974-07-21
Abstract
No abstract record available.
Inventors
- 👤 Robert J Stock
- 👤 Mclay John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:28
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
IN AN IMPROVED ELECTROLYTIC TREATING APPARATUS FOR TREATING METAL STRIP WITHIN A SOLUTION IN A BATH CONTAINER, A SUPPORT STRUCTURE POSITIONED ABOVE THE CONTAINER, AT LEAST ONE CROSS MEMBER SUSPENDED FROM SAID SUPPORT STRUCTURE COLUMNS EXTENDING ACROSS THE CONTAINER, A PAIR OF SUPPORT COLUMNS EXTENDING FROM SAID CROSS BAR INTO THE CONTAINER IN A TRANSVERSELY SPACED-APART RELATIONSHIP WITH RESPECT TO EACH OTHER, MEANS INSULATING SAID PAIR OF SUPPORT COLUMNS FROM SAID CAROSS BAR, A PLURALITY OF ELECTRODES PROJECTING TRANSVERSELU BETWEEN SAID COLUMNS IN A VERTICALLY SPACED-APART RELATIONSHIP WITH EACH OTHER WITHIN THE CONTAINER, A CONDUCTOR BAR ELECTRICALLY CONNECTED TO AND EXTENDING FROM SAID CROSS MEMBER INTERMEDIATE SAID SUPPORT COLUMNS INTO THE CONTAINER, SAID CONDUCTOR MEMBER BEING ELECTRICALLY CONNECTED AT ITS EXTENDING END TO SAID COLUMNS PAIR TO SUPPLY ELECTRIC CURRENT TO THE EXTENDING END OF SAID COLUMN PAIR AND THROUGH THEM TO THE ELECTRODES CARRIED THEREBY AT A LOCATION REMOTE FROM SAID CROSS MEMBER.
References Cited (Backward Citations)
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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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |