US3170152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline leak detection device
Assignee: Texas Eastern Transmission Corp
•
Filing: 1961-06-08
•
Granted: 1965-02-16
•
Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Long Francis Vinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:47
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/24; G01M3/243; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PIPELINE LEAK DETECTION DEVICE COMPRISING, A PROBE ADAPTED TO BE INSERTED UPON THE GROUND UNTIL ONE END OF THE PROBE CONTACTS A PIPE TO BE TESTED, A FIRST TRANSDUCER ON SAID END OF THE PROBE FOR CONTACTING THE PIPE TO BE TESTED, A SECOND TRANSDUCER SUBSTANTIALLY IDENTICAL TO THE FIRST MOUNTED ON SAID PROBE AND SPACED FROM SAID FIRST TRANSDUCER AND POSITIONED TO BE OUT OF CONTACT WITH SAID PIPE WHEN THE END OF THE PROBE IS IN CONTACT WITH SAID PIPE, MEANS FOR SHIFTING THE PHASE OF THE OUTPUT FROM AT LEAST ONE OF SAID TRANSDUCERS UNTIL THE OUTPUT OF SAID TRANSDUCERS IS APPROXIMATELY 180* OUT OF PHASE WITH EACH OTHER, MEANS FOR INTEGRATING THE OUTPUT OF SAID TRANSDUCERS, AND MEANS FOR SENSING ANY REMAINING SIGNAL AFTER SAID INTEGRATION.
Claim 2
Dependent Claim
131 words
A PIPELINE LEAK DETECTION DEVICE COMPRISING, A PROBE ADAPTED TO BE INSERTED UPON THE GROUND UNTIL ONE END OF THE PROBE CONTACTS A PIPE TO BE TESTED, A FIRST TRANSDUCER ON SAID END OF THE PROBE FOR CONTACTING THE PIPE TO BE TESTED, A SECOND TRANSDUCER SUBSTANTIALLY IDENTICAL TO THE FIRST MOUNTED ON SAID PROBE AND SPACED FROM SAID FIRST TRANSDUCER AND POSITIONED TO BE OUT OF CONTACT WITH SAID PIPE WHEN THE END OF THE PROBE IS IN CONTACT WITH SAID PIPE, MEANS FOR SHIFTING THE PHASE OF THE OUTPUT FROM AT LEAST ONE OF SAID TRANSDUCERS UNTIL THE OUTPUT OF SAID TRANSDUCERS IS APPROXIMATELY 180* OUT OF PHASE WITH EACH OTHER, MEANS FOR INTEGRATING THE OUTPUT OF SAID TRANSDUCERS, AND MEANS FOR SENSING ANY REMAINING SIGNAL AFTER SAID INTEGRATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |