US3036231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High resolution piezoelectric transducer
Assignee: Sperry Products Inc
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Filing: 1958-07-24
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Granted: 1962-05-22
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Expires: 1978-07-24
Abstract
No abstract record available.
Inventors
- 👤 Elliott A Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0662; B06B1/0681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A HIGH RESOLUTION ULTRASONIC TRANSDUCER COMPRISING A PIEZOELECTRIC ELEMENT INCLUDING PARALLEL SURFACES SUBSTANTIALLY NORMAL TO A SELECTED AXIS, A FIRST OF SAID SURFACES BEING ADAPTED TO BE ACOUSTICALLY COUPLED TO A WORKPIECE AND A SECOND OF SAID SURFACES HAVING ONE PORTION SPACED A GIVEN DISTANCE FROM SAID FIRST SURFACE IN THE DIRECTION OF SAID AXIS AND ANOTHER PORTION SPACED A DISTANCE SUBSTAN-
Claim 2
Dependent Claim
62 words
A HIGH RESOLUTION ULTRASONIC TRANSDUCER COMPRISING A PIEZOELECTRIC ELEMENT INCLUDING PARALLEL SURFACES SUBSTANTIALLY NORMAL TO A SELECTED AXIS, A FIRST OF SAID SURFACES BEING ADAPTED TO BE ACOUSTICALLY COUPLED TO A WORKPIECE AND A SECOND OF SAID SURFACES HAVING ONE PORTION SPACED A GIVEN DISTANCE FROM SAID FIRST SURFACE IN THE DIRECTION OF SAID AXIS AND ANOTHER PORTION SPACED A DISTANCE SUBSTAN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |