US3309914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic inspection
Assignee: Automation Industries Inc
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Filing: 1963-10-07
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Granted: 1967-03-21
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Weighart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:44
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/44; G01N29/4463; G01N29/34; G01N29/348
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
APPARATUS FOR ULTRASONIC TESTING WHICH COMPRISES: RATE GENERATOR MEANS ARRANGED TO GENERATE PERIODIC ELECTRICAL TIMING SIGNALS; PULSER MEANS CONNECTED TO RECEIVE SAID TIMING SIGNALS AND GENERATE A MULTIPLE FREQUENCY ELECTRICAL PULSE IN RESPONSE TO EACH TIMING SIGNAL; ULTRASONIC TRANSDUCER MEANS CONNECTED TO RECEIVE EACH OF SAID ELECTRICAL PULSES AND GENERATE AN ULTRASONIC MULTIPLE FREQUENCY MECHANICAL WAVE CORRESPONDING THERETO, SAID TRANSDUCER MEANS BEING RESPONSIVE TO MECHANICAL ECHO WAVES RECEIVED DURING THE INTERVALS BETWEEN SAID PULSES TO GENERATE ELECTRICAL ECHO SIGNALS CORRESPONDING THERETO; BROAD BAND RECEIVER MEANS CONNECTED TO RECEIVE AND AMPLIFY SUBSTANTIALLY ALL OF SAID ELECTRICAL ECHO SIGNALS HAVING FREQUENCIES WITHIN A PRESELECTED FIRST RANGE OF FREQUENCIES;
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |