Patent US3697399A successfully refreshed from Google Patents.
US3697399A
Expired / Lapsed
US
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Method of continuously plating a steel strap on one surface
Assignee: Usui Kokusai Sangyo Kaisha Ltd
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Filing: 1971-06-03
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Granted: 1972-10-10
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Expires: 1991-06-03
Abstract
Abstract THIS INVENTION RELATES TO A NOVEL ONE-SURFACE CONTINUOUSLY ELECTROPLATING METHOD FOR CONTINUOUSLY APPLYING AN ELECTROPLATING FILM TO ONE SURFACE OF A COMPARATIVELY THIN STEEL STRAP.
Inventors
- 👤 Masayoshi Usui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:03
CPC Classifications
C; C25; C25D; C25D7/00; C25D7/06; C25D7/0614; C25D7/0671; C25D7/0678
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |