US3401360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phased transducer arrays for elastic wave transmission
Assignee: AT&T Inc
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Filing: 1965-09-13
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Granted: 1968-09-10
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Bois Erich O Schulz-Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:37
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H9/40; G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TRANSDUCER FOR LAUNCHING A DIRECTED ELASTIC WAVE COMPRISING MEANS FOR PRODUCING ELECTRIC FIELDS OF A FIRST PHASE IN A FIRST PLURALITY OF REGIONS SPACED ALONG A LINE AND OF A SECOND PHASE 90* OR AN ODD MULTIPLE THEREOF REMOVED FROM SAID FIRST PHASE IN A PLURALITY OF REGIONS INTERPOSED BETWEEN SAID FIRST REGIONS ALONG SAID LINE AND DISPLACED ONE-QUARTER OR AN ODD MULTIPLE THEREOF OF THE DISTANCE BETWEN ADJACENT FIRST REGIONS AWAY FROM SAID FIRST REGIONS, AND MEANS INTERPOSED IN SAID REGIONS AND RESPONSIVE TO SAID FIELDS TO PRODUCE ELASTIC WAVES OF VIBRATION.
Claim 2
Dependent Claim
94 words
A TRANSDUCER FOR LAUNCHING A DIRECTED ELASTIC WAVE COMPRISING MEANS FOR PRODUCING ELECTRIC FIELDS OF A FIRST PHASE IN A FIRST PLURALITY OF REGIONS SPACED ALONG A LINE AND OF A SECOND PHASE 90* OR AN ODD MULTIPLE THEREOF REMOVED FROM SAID FIRST PHASE IN A PLURALITY OF REGIONS INTERPOSED BETWEEN SAID FIRST REGIONS ALONG SAID LINE AND DISPLACED ONE-QUARTER OR AN ODD MULTIPLE THEREOF OF THE DISTANCE BETWEN ADJACENT FIRST REGIONS AWAY FROM SAID FIRST REGIONS, AND MEANS INTERPOSED IN SAID REGIONS AND RESPONSIVE TO SAID FIELDS TO PRODUCE ELASTIC WAVES OF VIBRATION.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |