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US3440871A
Expired / Lapsed
US
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Magnetostriction transducer
Assignee: Individual
•
Filing: 1965-07-29
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Granted: 1969-04-29
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Henri Vissnia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:00
CPC Classifications
G; G01; G01G; G01G7/00; G01G7/02; G01L; G01L1/00; G01L1/12; G01L1/125; G01L1/127; Y; Y10; Y10S; Y10S73/00; Y10S73/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586877A
Cited
US2571718A
Cited
US2749746A
Cited
US2930227A
Cited
GB865051A
Cited
US3307405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |