Patent US3316997A successfully refreshed from Google Patents.
US3316997A
Expired / Lapsed
US
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Echo ranging apparatus
Assignee: Individual
•
Filing: 1965-02-11
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Granted: 1967-05-02
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 James N Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:43
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72; Y; Y10; Y10S; Y10S367/00; Y10S367/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN AN APPARATUS FOR DETERMINING THE LOCATION OF THE LIQUID LEVEL IN A WELL HAVING A STRING OF TUBING ASSEMBLED THEREIN AND A FLOW CHANNEL COMMUNICATING WITH THE WELL, THE COMBINATION WHICH COMPRISES: A HOUSING FOR CONNECTION TO THE FLOW CHANNEL, BARREL MEANS FOR SUPPORTING AN EXPLOSIVE SOURCE CENTRALLY IN THE HOUSING FORMING A FLOW CHANNEL EXTENDING CENTRALLY THROUGH THE HOUSING FOR DIRECTING ENERGY FROM THE SOURCE INTO THE FLOW CHANNEL, A PRESSURE SENSITIVE DETECTOR DISPOSED SYMMETRICALLY AROUND THE BARREL MEANS, AND SHIELDING MEANS FOR THE DETECTOR HAVING A RESTRICTED FLOW PORT THERETHROUGH COMMUNICATING WITH THE WELL FOR APPLYING VARIATIONS IN PRESSURE IN THE FLOW CHANNEL TO THE DETECTOR.
Claim 2
Dependent Claim
109 words
IN AN APPARATUS FOR DETERMINING THE LOCATION OF THE LIQUID LEVEL IN A WELL HAVING A STRING OF TUBING ASSEMBLED THEREIN AND A FLOW CHANNEL COMMUNICATING WITH THE WELL, THE COMBINATION WHICH COMPRISES: A HOUSING FOR CONNECTION TO THE FLOW CHANNEL, BARREL MEANS FOR SUPPORTING AN EXPLOSIVE SOURCE CENTRALLY IN THE HOUSING FORMING A FLOW CHANNEL EXTENDING CENTRALLY THROUGH THE HOUSING FOR DIRECTING ENERGY FROM THE SOURCE INTO THE FLOW CHANNEL, A PRESSURE SENSITIVE DETECTOR DISPOSED SYMMETRICALLY AROUND THE BARREL MEANS, AND SHIELDING MEANS FOR THE DETECTOR HAVING A RESTRICTED FLOW PORT THERETHROUGH COMMUNICATING WITH THE WELL FOR APPLYING VARIATIONS IN PRESSURE IN THE FLOW CHANNEL TO THE DETECTOR.
References Cited (Backward Citations)
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Cited
US2560911A
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US2759286A
Cited
US2927301A
Cited
US2916970A
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |