Patent US3523067A successfully refreshed from Google Patents.
US3523067A
Expired / Lapsed
US
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Selective galvanizing of steel strip
Assignee: Steel Company of Canada Ltd
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Filing: 1968-05-27
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Granted: 1970-08-04
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Expires: 1988-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard G Baird-Kerr
- 👤 Robert F Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:36
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/38; C23; C23C; C23C2/00; C23C2/003; C23C2/0035; C23C2/0038; C23C2/02; C23C2/022; C23C2/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |