US3801312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet alloy using molybdenum and titanium
Assignee: Carpenter Technology Corp
•
Filing: 1970-10-20
•
Granted: 1974-04-02
•
Expires: 1990-10-20
Abstract
Abstract A semihard permanent magnet alloy characterized by relatively high coercive force, relatively high residual induction, high ductility and low magnetostriction and consisting essentially of cobalt, iron, titanium and molybdenum. The molybdenum content of this alloy, as expressed in percent by weight, falls within the approximate range 3 - 6 percent. The titanium content falls between 3 - 6 percent. The sum of the cobalt and iron falls within the approximate range 88 - 94 percent. The ratio by weight of cobalt to iron falls within the approximate range 6.5:1 to 7.5:1.
Inventors
- 👤 R Steinitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
An alloy in accordance with claim 1 having the following composition:
Claim 2
Dependent Claim
11 words
An alloy in accordance with claim 1 having the following composition:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |