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Patent US3745034A successfully refreshed from Google Patents.
US3745034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating of metal powder on metal strip
Assignee: National Steel Corp
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Filing: 1970-08-14
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Granted: 1973-07-10
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Expires: 1990-08-14
Abstract
Abstract METHOD AND APPARATUS FOR APPLYING A METALLIC COATING ON METAL STRIP, PARTICULARLY STEEL STRIP, BY ELECTROSTATICALLY DEPOSITING ON THE STRIP A UNIFORM LAYER OF METAL POWDER AND THEREAFTER SUBJECTING THE STRIP AND THE LAYER OF METAL POWDER TO HEAT TREATMENT AND THEN COMPACTION TO EFFECT COHESION OF THE PARTICLES OF METAL POWDER AND ADHESION OF THE METAL POWDER PARTICLES TO THE STRIP.
Inventors
- 👤 E Smith
- 👤 R Reif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:17
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/14; B05B16/00; B05B16/90; B05B16/95
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |