US3167668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric transducers
Assignee: Individual
•
Filing: 1961-10-02
•
Granted: 1965-01-26
•
Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Nesh Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:57
CPC Classifications
G; G01; G01H; G01H11/00; G01H11/06; G01H11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PIEZOELECTRIC TRANSDUCER WHICH COMPRISES A POLARIZED PIEZOELECTRIC BODY HAVING METAL ELECTRODED OPPOSITE FACES, A SEPARATE METAL PLATE ABUTTING IN DIRECT FACE TO FACE CONTACT WITH EACH SAID ELECTRODED FACE AND EXTENDING BEYOND THE MARGINS OF SAID BODY BETWEEN SAID PLATES, A NONCONDUCTING ADHESIVE INTERPOSED BETWEEN AND FILLING THE SPACE BETWEEN SAID PLATES ALONG THE MARGINS OF SAID PLATES, ENTIRELY AROUND AND IN CONTACT WITH SAID BODY, BONDING SAID PLATES TOGETHER AND TO SAID BODY, WITH THE ADHESIVE COMPLETELY COVERING AND PROTECTING THE SURFACE OF THAT PART OF SAID BODY BETWEEN SAID PLATES, AND AN INDIVIDUAL CONDUCTOR LEAD CONNECTED DIRECTLY TO EACH OF SAID PLATES.
Claim 2
Dependent Claim
105 words
A PIEZOELECTRIC TRANSDUCER WHICH COMPRISES A POLARIZED PIEZOELECTRIC BODY HAVING METAL ELECTRODED OPPOSITE FACES, A SEPARATE METAL PLATE ABUTTING IN DIRECT FACE TO FACE CONTACT WITH EACH SAID ELECTRODED FACE AND EXTENDING BEYOND THE MARGINS OF SAID BODY BETWEEN SAID PLATES, A NONCONDUCTING ADHESIVE INTERPOSED BETWEEN AND FILLING THE SPACE BETWEEN SAID PLATES ALONG THE MARGINS OF SAID PLATES, ENTIRELY AROUND AND IN CONTACT WITH SAID BODY, BONDING SAID PLATES TOGETHER AND TO SAID BODY, WITH THE ADHESIVE COMPLETELY COVERING AND PROTECTING THE SURFACE OF THAT PART OF SAID BODY BETWEEN SAID PLATES, AND AN INDIVIDUAL CONDUCTOR LEAD CONNECTED DIRECTLY TO EACH OF SAID PLATES.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |