Patent US3022674A successfully refreshed from Google Patents.
Patent US3567595A successfully refreshed from Google Patents.
US3567595A
Expired / Lapsed
US
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Electrolytic plating method
Assignee: Circuit Foil USA Inc
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Filing: 1967-09-25
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Granted: 1971-03-02
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Expires: 1987-09-25
Abstract
Abstract A METHOD OF IMPROVING THE ELECTROPLATING OF A METAL ONTO THE SURFACE OF A CATHODIC STRIP OF METAL WHICH IS MOVED IN THE ELECTROLYTE IN PROXIMITY TO THE SURFACE OF AN ANODE, SAID METHOD INVOLVING THE CREATION OF SUBSTANTIALLY UNIFORM UPWARD FLOW OF ELECTROLYTE ACROSS THE SURFACE OF SAID STRIP OF METAL USING GAS EVOLVED BETWEEN THE ANODE AND SAID STRIP OF METAL AS THE DRIVING FORCE FOR A PUMPING SYSTEM TO CREATE AN AIR LIFT EFFECT. APPARATUS FOR CARRYING OUT SAID METHOD.
Inventors
- 👤 Charles B Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:51
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0614; C25D5/00; C25D5/08; C25D5/34; C25D5/42; C25D5/44; Y; Y10; Y10S; Y10S204/00; Y10S204/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |