Patent US3271276A successfully refreshed from Google Patents.
US3271276A
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Electrodeposition of quaternary magnetic alloy of iron, nickel, antimony and phosphorus
Assignee: Unisys Corp
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Filing: 1962-10-31
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Granted: 1966-09-06
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Guilio Guy Di
- 👤 Walter O Freitag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:18
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/562; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14; H01F41/00; H01F41/14; H01F41/24; H01F41/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD WHICH COMPRISES ELECTROLYTICALLY DEPOSITING THIN MAGNETIC NI-FE-P-SB FILMS ONTO A SUBSTRATE TO BE COATED BY PASSING CURRENT THROUGH AN AQUEOUS ACID PLATING BATH CONSISTING ESSENTIALLY OF NI++,FE++, H2PO2- AD SBO+ IONS, THE CONCENTRATION OF SAID IONS IN SAID BATH BEING PARTICULARLY CHARACTERIZED IN THAT THE FE++/NI++ NORMALITY RATIO RANGES FROM 0.017 TO 0.028, THE SBO+/NI++ NORMALITY RATIO RANGE FROM .00009 TO .00027, AND THE H2PO2-/NI++ NORMALITY RATIO RANGES FROM .0011 TO .0034.
Claim 2
Independent Claim
74 words
THE METHOD WHICH COMPRISES ELECTROLYTICALLY DEPOSITING THIN MAGNETIC NI-FE-P-SB FILMS ONTO A SUBSTRATE TO BE COATED BY PASSING CURRENT THROUGH AN AQUEOUS ACID PLATING BATH CONSISTING ESSENTIALLY OF NI++,FE++, H2PO2- AD SBO+ IONS, THE CONCENTRATION OF SAID IONS IN SAID BATH BEING PARTICULARLY CHARACTERIZED IN THAT THE FE++/NI++ NORMALITY RATIO RANGES FROM 0.017 TO 0.028, THE SBO+/NI++ NORMALITY RATIO RANGE FROM .00009 TO .00027, AND THE H2PO2-/NI++ NORMALITY RATIO RANGES FROM .0011 TO .0034.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |