US3269834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic alloys
Assignee: Carpenter Steel Co
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Filing: 1962-09-28
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Granted: 1966-08-30
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Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Armand A Lykens
- 👤 Jr William Kent Kise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/057; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A MAGNETIC ALLOY CONSISTING ESSENTIALLY OF ABOUT 75% TO 85% NICKEL, ABOUT 3% TO 5% MOLYBDENUM, UP TO ABOUT 0.1% CARBON, UP TO ABOUT 1% MANGANESE, UP UP TO ABOUT 1% SILICON, FROM ABOUT 0.2% TO 1% OF AN ELETO ABOUT 1% SILICON, FROM ABOUT 0.2% TO 1% OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, COLUMBIUM AND TITANIUM, AND THE BALANCE ESSENTIALLY OF IRON.
Claim 2
Dependent Claim
67 words
A MAGNETIC ALLOY CONSISTING ESSENTIALLY OF ABOUT 75% TO 85% NICKEL, ABOUT 3% TO 5% MOLYBDENUM, UP TO ABOUT 0.1% CARBON, UP TO ABOUT 1% MANGANESE, UP UP TO ABOUT 1% SILICON, FROM ABOUT 0.2% TO 1% OF AN ELETO ABOUT 1% SILICON, FROM ABOUT 0.2% TO 1% OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, COLUMBIUM AND TITANIUM, AND THE BALANCE ESSENTIALLY OF IRON.
References Cited (Backward Citations)
US1768443A
Cited
US2147637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |