US2546047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered anisotropic alnico magnet
Assignee: General Electric Co
•
Filing: 1948-04-13
•
Granted: 1951-03-20
•
Expires: 1968-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Studders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:34
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096670A
Cited
GB439543A
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US2245477A
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US2185464A
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US2295082A
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GB522731A
Cited
US2192744A
Cited
US2285406A
Cited
US2384450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |