US3230503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer
Assignee: Individual
•
Filing: 1962-06-22
•
Granted: 1966-01-18
•
Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Jack Elliot
- 👤 Jack W Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:30
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A TRANSDUCER COMPRISING IN COMBINATION, A FIRST VIBRATORY BODY HAVING A PREDETERMINED MASS FOR PROJECTING ACOUSTICAL ENERGY, PIEZOELECTRIC ENERGY CONVERTER MEANS DISPOSED IN ALIGNMENT WITH SAID ACOUSTICAL ENERGY PROJECTING, A WAFER HAVING THERMAL COEFFICIENTS SUBSTANTIALLY SIMILAR TO THE THERMAL COEFFICIENTS OF SAID PIEZOELECTRIC ENERGY CONVERTER MEANS AND STRESS-STRAIN LIMITS LARGER THAN THE STRESS-STRAIN LIMITS OF SAID PIEZOELECTRIC ENERGY CONVERTER MEANS INTERPOSED BETWEEN AND IN ABUTMENT WITH SAID AND BONDED TO SAID ACOUSTICAL ENERGY PROJECTING BODY AND SAID PIEZOELECTRIC ENERGY CONVERTER BODY, AND THIN METALLIC SHEETS CONNECTED TO SAID PIEZOELECTRIC ENERGY CONVERTER MEANS FOR ELECTRICALLY ENERGIZING SAME.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |