US3174130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostrictive flexural-mode electromechanical transducer
Assignee: Individual
•
Filing: 1960-05-27
•
Granted: 1965-03-16
•
Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Woollett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:50
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; H; H10; H10N; H10N35/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A MAGNETOSTRICTIVE TRANSDUCER COMPRISING: (A) A STACK OF IDENTICAL OBLONG INTEGRAL LAMINATIONS OF MAGNETOSTRICTIVE MATERIAL SECURED TOGETHER, (B) EACH OF SAID LAMINATIONS HAVING TWO ELONGATED SLOTS EACH PARALLELING RESPECTIVE ONES OF A PAIR OF OPPOSITE SIDES THEREOF WHEREBY THE STACK OF LAMINATIONS HAS AN INTEGRAL BAR ALONG EACH OF OPPOSED SIDES,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |