US2724174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded magnet and magnetic material
Assignee: General Electric Co
•
Filing: 1950-07-19
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Granted: 1955-11-22
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Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Lewis I Mendelsohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:09
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MOLDABLE POWDERED ALNICO COMPOSITION CAPABLE OF BEING MOLDED TO FORM A PERMANENT MAGNET BODY HAVING UNIFORM MAGNETIC PROPERTIES THROUGHOUT SAID BODY COMPRISING FINELY DIVIDED PARTICLES OF ALNICO MAGNET ALLOY, EACH OF SAID PARTICLES BEING AN ALLOY COMPRISING ALUMINUM, NICKEL, COBALT, AND IRON TO WHICH IS BONDED BY CHEMICAL INTERMETALLIC COMPOUNDS A COATING OF A METAL ALLOY HAVING A MELTING POINT BELOW 450*C., SAID ALNICO MAGNET ALLOY COMPRISING AT LEAST 70% AND NO MORE THAN 85% BY WEIGHT OF SAID MOLDABLE POWDERED COMPOSITION.
Claim 2
Dependent Claim
83 words
A MOLDABLE POWDERED ALNICO COMPOSITION CAPABLE OF BEING MOLDED TO FORM A PERMANENT MAGNET BODY HAVING UNIFORM MAGNETIC PROPERTIES THROUGHOUT SAID BODY COMPRISING FINELY DIVIDED PARTICLES OF ALNICO MAGNET ALLOY, EACH OF SAID PARTICLES BEING AN ALLOY COMPRISING ALUMINUM, NICKEL, COBALT, AND IRON TO WHICH IS BONDED BY CHEMICAL INTERMETALLIC COMPOUNDS A COATING OF A METAL ALLOY HAVING A MELTING POINT BELOW 450*C., SAID ALNICO MAGNET ALLOY COMPRISING AT LEAST 70% AND NO MORE THAN 85% BY WEIGHT OF SAID MOLDABLE POWDERED COMPOSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |