US2755662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic absorption measuring apparatus
Assignee: Honeywell Inc
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Filing: 1953-05-01
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Granted: 1956-07-24
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Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert C Swengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:39
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
APPARATUS FOR MEASURING A VARIABLE CHARACTERISTIC OF A MATERIAL HAVING A MECHANICAL VIBRATION TRANSMISSION COEFFICIENT WHICH VARIES WITH THE FREQUENCY OF THE MECHANICAL VIBRATION TRANSMITTED THERETHROUGH COMPRISING, A MULTIPLE FREQUENCY SOURCE OF POWER AN ELECTROMECHANICAL TRANSDUCER FOR PRODUCING VIBRATIONS IN ACCORDANCE WITH THE SIGNAL APPLIED THERETO BY SAID SOURCE OF POWER, SAID TRANSDUCER BEING ARRANGED FOR TRANSMITTING A MECHANICAL VIBRATORY SIGNAL THROUGH THE MATERIAL, A MECHANICAL-ELECTRICAL TRANSDUCER ARRANGED TO RECEIVE THE SIGNALS FROM SAID TRANSMITTING TRANSDUCER AND PRODUCE
Claim 2
Dependent Claim
78 words
APPARATUS FOR MEASURING A VARIABLE CHARACTERISTIC OF A MATERIAL HAVING A MECHANICAL VIBRATION TRANSMISSION COEFFICIENT WHICH VARIES WITH THE FREQUENCY OF THE MECHANICAL VIBRATION TRANSMITTED THERETHROUGH COMPRISING, A MULTIPLE FREQUENCY SOURCE OF POWER AN ELECTROMECHANICAL TRANSDUCER FOR PRODUCING VIBRATIONS IN ACCORDANCE WITH THE SIGNAL APPLIED THERETO BY SAID SOURCE OF POWER, SAID TRANSDUCER BEING ARRANGED FOR TRANSMITTING A MECHANICAL VIBRATORY SIGNAL THROUGH THE MATERIAL, A MECHANICAL-ELECTRICAL TRANSDUCER ARRANGED TO RECEIVE THE SIGNALS FROM SAID TRANSMITTING TRANSDUCER AND PRODUCE
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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |