US2676236A
Expired / Lapsed
US
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Magnetostriction transducer
Assignee: Hartford National Bank and Trust Co
•
Filing: 1951-03-23
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Granted: 1954-04-20
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Expires: 1971-03-23
Abstract
No abstract record available.
Inventors
- 👤 Birkbeck Guy
- 👤 Tremlett David James
- 👤 Noltingk Bernard Edward
- 👤 Neppiras Ernest Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0223; B06B1/0238; B06B1/0246; B06B1/0261; B23; B23K; B23K1/00; B23K1/06; B06B2201/00; B06B2201/50; B06B2201/58; B06B2201/70; B06B2201/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19461E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |