US3645876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current transfer measurement along a linearly extended contact
Assignee: National Steel Corp
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Filing: 1969-07-08
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Granted: 1972-02-29
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Expires: 1989-07-08
Abstract
Abstract Current transfer along a linearly extended electrical contact is determined during or prior to commencing electroplating or other processing of strip material permitting corrective measures directed toward higher yield and higher quality production. Current distribution is determined by measuring the magnetic flux pattern in the strip material along the linearly extended electrical contact. Automated contact control across the strip is obtained responsive to such measurements.
Inventors
- 👤 Walter A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:18
CPC Classifications
C; C25; C25D; C25D21/00; C25D21/12
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |