US3292140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for generating seismic signals
Assignee: Mobil Oil AS
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Filing: 1963-06-21
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Granted: 1966-12-13
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Frank A Angona
- 👤 Fretwell G Crider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/38; G01V1/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A SYSTEM FOR PRODUCING SEISMIC SIGNALS USEFUL IN THE INVESTIGATION OF UNDERWATER GEOLOGIC FORMATIONS, THE COMBINATION WHICH COMPRISES FIRST MEANS FOR INITIATING THE GENERATION IN WATER OF A PRIMARY PRESSURE PULSE WHICH RESULTS IN THE FORMATION OF AN EXPANDING GAS BUBBLE, AND SECOND MEANS FOR DIRECTING GAS INTO THE BUBBLE FORMED TO REDUCE THE CONTRACTION OF SAID BUBBLE, SAID SECOND MEANS INCLUDING AT LEAST ONE CONDUIT LEADING FROM A SUPPLY OF GAS AND HAVING AN END THEREOF LOCATED AT A POSITION RELATIVELY CLOSE TO SAID FIRST MEANS SUCH THAT SAID END WILL BREAK INTO SAID BUBBLE AS SAID BUBBLE EXPANDS FOR THE INTRODUCTION OF GAS INTO SAID BUBBLE.
Claim 2
Dependent Claim
109 words
IN A SYSTEM FOR PRODUCING SEISMIC SIGNALS USEFUL IN THE INVESTIGATION OF UNDERWATER GEOLOGIC FORMATIONS, THE COMBINATION WHICH COMPRISES FIRST MEANS FOR INITIATING THE GENERATION IN WATER OF A PRIMARY PRESSURE PULSE WHICH RESULTS IN THE FORMATION OF AN EXPANDING GAS BUBBLE, AND SECOND MEANS FOR DIRECTING GAS INTO THE BUBBLE FORMED TO REDUCE THE CONTRACTION OF SAID BUBBLE, SAID SECOND MEANS INCLUDING AT LEAST ONE CONDUIT LEADING FROM A SUPPLY OF GAS AND HAVING AN END THEREOF LOCATED AT A POSITION RELATIVELY CLOSE TO SAID FIRST MEANS SUCH THAT SAID END WILL BREAK INTO SAID BUBBLE AS SAID BUBBLE EXPANDS FOR THE INTRODUCTION OF GAS INTO SAID BUBBLE.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |