US3292018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducers
Assignee: Air Shields Inc
•
Filing: 1963-09-13
•
Granted: 1966-12-13
•
Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Manfred E Clynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:48
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/34; G01N29/348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN AN ULTRASONIC SYSTEM, A TRANSDUCER CONSTITUTED BY THREE RESONANT TRANSDUCER BLANDS EACH OF HALF-WAVE THICKNESS, EACH BEING CONDUCTIVELY PLATED ON BOTH FACES, THE THREE BLANKS BEING INTERFACIALLY BONDED TO FORM A COMPOSITE STRUCTURE, TERMINALS CONNECTED TO THE END FACES OF SAID COMPOSITE STRUCTURE AND THE BONDED FACES THEREOF, AND MEANS CONNECTED TO SAID TERMINALS SELECTIVELY TO EXCITE SAID BLANKS TO GENERATE THREE DIFFERENT ULTRASONIC FREQUENCIES IN SEQUENCE.
Claim 2
Dependent Claim
68 words
IN AN ULTRASONIC SYSTEM, A TRANSDUCER CONSTITUTED BY THREE RESONANT TRANSDUCER BLANDS EACH OF HALF-WAVE THICKNESS, EACH BEING CONDUCTIVELY PLATED ON BOTH FACES, THE THREE BLANKS BEING INTERFACIALLY BONDED TO FORM A COMPOSITE STRUCTURE, TERMINALS CONNECTED TO THE END FACES OF SAID COMPOSITE STRUCTURE AND THE BONDED FACES THEREOF, AND MEANS CONNECTED TO SAID TERMINALS SELECTIVELY TO EXCITE SAID BLANKS TO GENERATE THREE DIFFERENT ULTRASONIC FREQUENCIES IN SEQUENCE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |