US3711320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved process of coating ferrous metal strands
Assignee: Armco Inc
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Filing: 1971-01-08
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Granted: 1973-01-16
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Expires: 1991-01-08
Abstract
Abstract METALLIC COATING METHOD AND APPARATUS WHEREIN A STRAND IS WITHDRAWN FROM A BATH OF MOLTEN COATING METAL PAST A ROLL ONLY PARTLY SUBMERGED IN THE BATH AND ROTATING SO AS TO PROVIDE AN OXIDE FREE BATH SURFACE THROUGH WHICH THE STRAND EMERGES FROM THE MOLTEN METAL. THIS ROLL MAY BE POSITIONED SO AS TO EFFECT A BENDING OF THE STRAND AS IT EMERGES FROM THE BATH. D R A W I N G
Inventors
- 👤 F Byrd
- 👤 P Schnedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/22
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |