Patent US2519495A successfully refreshed from Google Patents.
US2519495A
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US
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Magnetostrictive core and method of making it
Assignee: AT&T Inc
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Filing: 1947-01-11
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Granted: 1950-08-22
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Expires: 1967-01-11
Abstract
No abstract record available.
Inventors
- 👤 Ethan A Nesbitt
- 👤 Howell J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:22
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/22; B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; H03H3/00; H03H3/007; H03H3/06; H10; H10N; H10N35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673790A
Cited
US1743089A
Cited
US1924245A
Cited
US1941368A
Cited
US2164383A
Cited
US2166359A
Cited
US2234968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |