US3315520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic measurement apparatus
Assignee: Parametrics Inc
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Filing: 1964-03-10
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Granted: 1967-04-25
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Carnevale
- 👤 Lawrence C Lynnworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/28; G01N29/04; G01N29/07; G01N29/223; G01N29/228; G01N29/24; G01N29/2493; G01N29/26; G01N29/262; G01N2291/00; G01N2291/04; G01N2291/042; G01N2291/0421; G01N2291/0422; G01N2291/0428; G01N2291/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR MEASURING THE ULTRASONIC TRANSMISSION CHARACTERERISTICS OF A MATERIAL AT HIG TEMPERATURE COMPRISING, A TRANSMITTING PROBE FOR GENERATING ULTRANSONIC WAVES, A RECEIVING PROBEL FOR GENERATING OUTPUT ELECTRICAL SIGNALS IN RESPONSE TO RECEIVED ULTRASONIC WAVES; CIRCUIT MEANS COUPLED TO SAID TRNASMITTING AND SAID RECEIVING PROBES FOR COMPARING SAID OUTPUT ELECTRICLA SIGNALS TO SAID GENERATED ULTRASONIC WAVES; POSITIONING MEANS FOR ESTABLISHING PHYSICAL CONTACT BETWEEN EACH OF SAID PROBES AND SAID MATERIAL TO BE TESTED, CONTROL MEANS CONNECTED TO SAID POSITIONING MEANS, SAID CONTROL MEANS OPERATING SAID POSITIONING MEANS TO ESTABLISH SIMULTANEOUS CONTACT FOR A PREDETERMINED PERIOD BETWEEN EACH OF SAID PROBES AND SAID MATERIAL TO BE TESTED AND TO WITHDRAWAL SAID PROBES FROM SAID CONTACT AFTER ELPASE OF SAID PREDETERMINED PERIOD.
Claim 2
Dependent Claim
120 words
APPARATUS FOR MEASURING THE ULTRASONIC TRANSMISSION CHARACTERERISTICS OF A MATERIAL AT HIG TEMPERATURE COMPRISING, A TRANSMITTING PROBE FOR GENERATING ULTRANSONIC WAVES, A RECEIVING PROBEL FOR GENERATING OUTPUT ELECTRICAL SIGNALS IN RESPONSE TO RECEIVED ULTRASONIC WAVES; CIRCUIT MEANS COUPLED TO SAID TRNASMITTING AND SAID RECEIVING PROBES FOR COMPARING SAID OUTPUT ELECTRICLA SIGNALS TO SAID GENERATED ULTRASONIC WAVES; POSITIONING MEANS FOR ESTABLISHING PHYSICAL CONTACT BETWEEN EACH OF SAID PROBES AND SAID MATERIAL TO BE TESTED, CONTROL MEANS CONNECTED TO SAID POSITIONING MEANS, SAID CONTROL MEANS OPERATING SAID POSITIONING MEANS TO ESTABLISH SIMULTANEOUS CONTACT FOR A PREDETERMINED PERIOD BETWEEN EACH OF SAID PROBES AND SAID MATERIAL TO BE TESTED AND TO WITHDRAWAL SAID PROBES FROM SAID CONTACT AFTER ELPASE OF SAID PREDETERMINED PERIOD.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |