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US3389066A
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Method for electrolytically polishing iron and iron alloys
Assignee: KH Neochem Co Ltd
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Filing: 1967-09-14
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Granted: 1968-06-18
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Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Shibasaki Yasuichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:13
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/02; C25F3/06; C25F3/16; C25F3/22; C25F3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995766A
Cited
US2270712A
Cited
US2542779A
Cited
US2690001A
Cited
US2687346A
Cited
US2773821A
Cited
US3213008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |