US3304520A
Expired / Lapsed
US
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Variable elastic wave deflection
Assignee: AT&T Inc
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Filing: 1964-11-23
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Granted: 1967-02-14
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Bert A Auld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:05
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H9/38; G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G11; G11C; G11C21/00; G11C21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN COMBINATION, AN ELASTIC WAVE TRANSMISSION MEDIUM, MEANS FOR LAUNCHING AN ELASTIC WAVE FOR PROPAGATION IN A FIRST DIRECTION WITHIN SAID MEDIUM, AND MEANS INTERPOSED IN SAID MEDIUM IN THE PATH OF SAID WAVE FOR DEFLECTING THE DIRECTION OF PROPAGATION OF A SUBSTANTIAL PORTION OF SAID WAVE FROM SAID FIRST DIRECTION TO A SECOND DIRECTION, SAID LAST MENTIONED MEANS COMPRISING A BODY OF NONCONDUCTIVE FERROMAGNETIC MATERIAL MAGNETIZED WITH A PRINCIPAL COMPONENT OF MAGNETIZATION EXTENDING IN A THIRD DIRECTION AT AN ANGLE TO BOTH SAID FIRST DIRECTION AND SAID SECOND DIRECTION WITH SAID FIRST DIRECTION LYING BETWEEN SAID SECOND AND THIRD DIRECTIONS.
Claim 2
Dependent Claim
101 words
IN COMBINATION, AN ELASTIC WAVE TRANSMISSION MEDIUM, MEANS FOR LAUNCHING AN ELASTIC WAVE FOR PROPAGATION IN A FIRST DIRECTION WITHIN SAID MEDIUM, AND MEANS INTERPOSED IN SAID MEDIUM IN THE PATH OF SAID WAVE FOR DEFLECTING THE DIRECTION OF PROPAGATION OF A SUBSTANTIAL PORTION OF SAID WAVE FROM SAID FIRST DIRECTION TO A SECOND DIRECTION, SAID LAST MENTIONED MEANS COMPRISING A BODY OF NONCONDUCTIVE FERROMAGNETIC MATERIAL MAGNETIZED WITH A PRINCIPAL COMPONENT OF MAGNETIZATION EXTENDING IN A THIRD DIRECTION AT AN ANGLE TO BOTH SAID FIRST DIRECTION AND SAID SECOND DIRECTION WITH SAID FIRST DIRECTION LYING BETWEEN SAID SECOND AND THIRD DIRECTIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |