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US3067029A
Expired / Lapsed
US
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Permalloy with gold additions
Assignee: AT&T Inc
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Filing: 1960-09-16
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Granted: 1962-12-04
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 Ernst M Gyorgy
- 👤 Ethan A Nesbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:41
CPC Classifications
C; C22; C22C; C22C19/00; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/147; H01F1/14708; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A COMPOSITION MATTER COMPRISING 1/2 TO 20 PERCENT BY WEIGHT GOLD, 63 TO 85 PERCENT BY WEIGHT NICKEL, REMAINDER IRON WHEREIN THE RATIO OF NICKEL TO IRON IS WITHIN THE APPROXIMATE RANGE OF FROM 2:1 TO 6:1.
Claim 2
Dependent Claim
37 words
A COMPOSITION MATTER COMPRISING 1/2 TO 20 PERCENT BY WEIGHT GOLD, 63 TO 85 PERCENT BY WEIGHT NICKEL, REMAINDER IRON WHEREIN THE RATIO OF NICKEL TO IRON IS WITHIN THE APPROXIMATE RANGE OF FROM 2:1 TO 6:1.
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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |