US2519277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostrictive device and alloy and method of producing them
Assignee: AT&T Inc
•
Filing: 1947-01-15
•
Granted: 1950-08-15
•
Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 Ethan A Nesbitt
- 👤 Howell J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; H; H03; H03H; H03H3/00; H03H3/007; H03H3/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586889A
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US1441522A
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US1857215A
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US1862559A
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FR740051A
Cited
US2160588A
Cited
US2166359A
Cited
US2298225A
Cited
US2317294A
Cited
US2317295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |