US3740323A
Expired / Lapsed
US
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Molten salt electroplating method
Assignee: JFE Engineering Corp
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Filing: 1970-10-26
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Granted: 1973-06-19
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Expires: 1990-10-26
Abstract
Abstract METHOD AND APARATUS FOR ELECTROPLATING A PLURALITY OF ARTICLES SUCH AS BOLTS, NUTS, RIVETS, MACHINE SCREWS, AND THE LIKE, IN A MOLTEN SALT BATH WHEREIN THE ARTICLES ARE LOCATED IN A SPACED RELATIONSHIP ON A CATHODE MEMBER IN THE BATH. THE ARTICLES ARE IN LINE OR FACE ELECTRICAL CONTACT WITH THE CATHODE MEMBER AND ARECAUSED TO ROTATE ON THE CATHODE MEMBER. PREFERABLY, RELATIVE MOVEMENT IS IMPARTED BETWEEN THE CATHODE MEMBER AND A HOLDING MEANS FOR THE ARTICLES TO CAUSE THE ROTATION OF THE ARTICLES RELATIVE TO THE CATHODE MEMBER.
Inventors
- 👤 A Miyata
- 👤 H Okubo
- 👤 C Tomita
- 👤 A Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:57
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409; B65G49/0413; B65G49/0418; C; C25; C25D; C25D17/00; C25D17/16
Claims Analysis
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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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |