US2714186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable frequency magnetostrictive transducer
Assignee: Sorensen & Co Inc
•
Filing: 1952-09-12
•
Granted: 1955-07-26
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 William H Henrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380869A
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US2014412A
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US1738565A
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US2071260A
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US2317166A
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US2496557A
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US2401943A
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US2453595A
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US2419373A
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US2452211A
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US2422425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |