US3428472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming metal coatings
Assignee: Kobe Steel Ltd
•
Filing: 1964-10-13
•
Granted: 1969-02-18
•
Expires: 1984-10-13
Abstract
No abstract record available.
Inventors
- 👤 Takaaki Shimose
- 👤 Kenji Mori
- 👤 Kimio Inoue
- 👤 Zenichiro Takao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/082; C23C24/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1922254A
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US1735000A
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US2190237A
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US2289614A
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US3024128A
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US3142560A
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US3182395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |