US3078426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostrictive filter apparatus having multiple magnetostrictive rods stacked in parallel
Assignee: Raytheon Co
•
Filing: 1959-03-20
•
Granted: 1963-02-19
•
Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 George J Foundas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
IN MAGNETOSTRICTIVE FILTER APPARATUS, A RECESSED MOUNTING PLATE, A MOUNTING MEANS SECURED TO SAID PLATE, A PLURALITY OF MAGNETOSTRICTION FILTER UNITS CARRIED IN SAID MOUNTING MEANS, AND A BAR MAGNET POSITIONED ADJACENT SAID FILTER UNITS AND HAVING ITS LONGITUDINAL AXIS EXTENDING TRANSVERSELY OF SAID FILTER UNITS TO EXERT A POLARIZING BIAS UPON THE MAGNETIC FIELDS ESTABLISHED BY SAID MAGNETOSTRICTIVE FILTER UNITS, WHEREIN SAID BAR MAGNET IS NESTED WITHIN THE RECESSED PORTION OF SAID MOUNTING PLATE.
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |