US2974097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic means for treating metal
Assignee: Reynolds Metals Co
•
Filing: 1957-11-12
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Granted: 1961-03-07
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Ramirez
- 👤 Erik F Barkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:35
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02; C25D11/00; C25D11/005; C25D11/02; C25D11/022; C25D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR THE ELECTROLYTIC TREATMENT OF THE EDGE PORTIONS OF A FLEXIBLE METAL WEB COMPRISING A HOLLOW VESSEL FOR CONTAINING ELECTROLYTE, MEANS FOR SUPPLYING ELECTROLYTE TO AND REMOVING IT FROM SAID VESSEL, MEANS FOR GUIDING SAID METAL WEB THROUGH THE ELECTROLYTE COMPRISING A PAIR OF OPPOSING RIBS TERMINATING IN FLAT FACES SPACED APART TO PERMIT PASSAGE OF THE METAL WEB BETWEEN THEM, STATIONARY RESILIENT SEALING MEANS MOUNTED IN SAID RIBS EXTENDING TOWARD AND LONGITUDINALLY OF SAID METAL WEB AND ADAPTED TO MAINTAIN CONTACT WITH THE METAL WEB NEAR THE EDGE PORTIONS THEREOF TO CONFINE THE ACTION OF THE ELECTROLYTE TO SAID EDGE PORTIONS, AND AT LEAST ONE ELECTRODE MOUNTED IN THE INTERIOR OF SAID VESSEL OPPOSITE THE LINE OF PASSAGE OF SAID METAL WEB, AND MEANS FOR CONDUCING ELECTRIC CURRENT TO SAID ELECTRODE AND TO THE METAL WEB.
Claim 2
Dependent Claim
138 words
APPARATUS FOR THE ELECTROLYTIC TREATMENT OF THE EDGE PORTIONS OF A FLEXIBLE METAL WEB COMPRISING A HOLLOW VESSEL FOR CONTAINING ELECTROLYTE, MEANS FOR SUPPLYING ELECTROLYTE TO AND REMOVING IT FROM SAID VESSEL, MEANS FOR GUIDING SAID METAL WEB THROUGH THE ELECTROLYTE COMPRISING A PAIR OF OPPOSING RIBS TERMINATING IN FLAT FACES SPACED APART TO PERMIT PASSAGE OF THE METAL WEB BETWEEN THEM, STATIONARY RESILIENT SEALING MEANS MOUNTED IN SAID RIBS EXTENDING TOWARD AND LONGITUDINALLY OF SAID METAL WEB AND ADAPTED TO MAINTAIN CONTACT WITH THE METAL WEB NEAR THE EDGE PORTIONS THEREOF TO CONFINE THE ACTION OF THE ELECTROLYTE TO SAID EDGE PORTIONS, AND AT LEAST ONE ELECTRODE MOUNTED IN THE INTERIOR OF SAID VESSEL OPPOSITE THE LINE OF PASSAGE OF SAID METAL WEB, AND MEANS FOR CONDUCING ELECTRIC CURRENT TO SAID ELECTRODE AND TO THE METAL WEB.
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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) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |