US3327286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer
Assignee: Westinghouse Electric Corp
•
Filing: 1965-10-22
•
Granted: 1967-06-20
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 John A Dorr
- 👤 Phillip R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:41
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A TRANSDUCER COMPRISING: (A) A FIRST RING TRANSDUCER ACTIVE ELEMENT OF THE TYPE WHICH IS FOCUSED ALONG A CENTRAL AXIS, FOR TRANSMITTING ACOUSTIC ENERGY TOWARD A TARGET; (B) A SECOND RING TRANSDUCER ACTIVE ELEMENT OF THE TYPE WHICH IS FOCUSED ALONG A CENTRAL AXIS, CONCENTRICALLY ARRANGED WITH SAID FIRST ACTIVE ELEMENTS FOR RECEIVING SAID ACOUSTIC ENERGY REFLECTED FROM SAID TARGET; AND (C) THE RATIO OF THE MEAN DIAMETERS OF SAID RING TRANSDUCER ACTIVE ELEMENTS BEING APPROXIMATELY 2:3.
Claim 2
Dependent Claim
77 words
A TRANSDUCER COMPRISING: (A) A FIRST RING TRANSDUCER ACTIVE ELEMENT OF THE TYPE WHICH IS FOCUSED ALONG A CENTRAL AXIS, FOR TRANSMITTING ACOUSTIC ENERGY TOWARD A TARGET; (B) A SECOND RING TRANSDUCER ACTIVE ELEMENT OF THE TYPE WHICH IS FOCUSED ALONG A CENTRAL AXIS, CONCENTRICALLY ARRANGED WITH SAID FIRST ACTIVE ELEMENTS FOR RECEIVING SAID ACOUSTIC ENERGY REFLECTED FROM SAID TARGET; AND (C) THE RATIO OF THE MEAN DIAMETERS OF SAID RING TRANSDUCER ACTIVE ELEMENTS BEING APPROXIMATELY 2:3.
References Cited (Backward Citations)
CA681325A
Cited
US3177382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |