Patent US972003A successfully refreshed from Google Patents.
Patent US3072829A successfully refreshed from Google Patents.
US3072829A
Expired / Lapsed
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Igniter for a repetitive seismic source
Assignee: ExxonMobil Oil Corp
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Filing: 1959-02-17
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Granted: 1963-01-08
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Frank J Mcdonal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:32
CPC Classifications
F; F42; F42D; F42D3/00; F42D3/06; G; G01; G01V; G01V1/00; G01V1/02; G01V1/04; G01V1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A SYSTEM FOR GENERATING SEISMIC WAVES THE COMBINATION OF FLOW MEANS FOR ENTRAINING IN AN AIR STREAM AT LEAS ONE COMBUSTIBLE FLUID COMPONENT TO FORM A COMBUSTIBLE MIXTURE, STRUCTURE COUPLED TO SAID FLOW MEANS AND FORMING A FLOW CHANNEL INTO WHICH SAID MIXTURE FLOWS AND CHARACTERIZED BY AN INLET PASSAGE AND A SMOOTH-WALLED TUBULAR MEMBER EXTENDING THEREFROM AND HAVING AN OUTLET PORT, MEANS MOUNTED ON SAID STRUCTURE FOR HEATING A PORTION OF SAID STRUCTURE IN THE REGION OF A JUNCTURE BETWEEN SAID INLET PASSAGE AND SAID TUBULAR MEMBER TO A TEMPERATURE ABOVE THE DEW POINT AND BELOW THE IGNITION TEMPERATURE OF SAID MIXTURE, AND ELECTRICAL MEANS MOUNTED IN SAID PORTION OF SAID STRUCTURE FOR INITIATING COMBUSTION OF SAID MIXTURE.
Claim 2
Dependent Claim
120 words
IN A SYSTEM FOR GENERATING SEISMIC WAVES THE COMBINATION OF FLOW MEANS FOR ENTRAINING IN AN AIR STREAM AT LEAS ONE COMBUSTIBLE FLUID COMPONENT TO FORM A COMBUSTIBLE MIXTURE, STRUCTURE COUPLED TO SAID FLOW MEANS AND FORMING A FLOW CHANNEL INTO WHICH SAID MIXTURE FLOWS AND CHARACTERIZED BY AN INLET PASSAGE AND A SMOOTH-WALLED TUBULAR MEMBER EXTENDING THEREFROM AND HAVING AN OUTLET PORT, MEANS MOUNTED ON SAID STRUCTURE FOR HEATING A PORTION OF SAID STRUCTURE IN THE REGION OF A JUNCTURE BETWEEN SAID INLET PASSAGE AND SAID TUBULAR MEMBER TO A TEMPERATURE ABOVE THE DEW POINT AND BELOW THE IGNITION TEMPERATURE OF SAID MIXTURE, AND ELECTRICAL MEANS MOUNTED IN SAID PORTION OF SAID STRUCTURE FOR INITIATING COMBUSTION OF SAID MIXTURE.
References Cited (Backward Citations)
US1500243A
Cited
US1465935A
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US2353484A
Cited
US2679205A
Cited
US2766837A
Cited
US2793308A
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |