US3205947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device and process for igniting an oil stratum
Assignee: Phillips Petroleum Co
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Filing: 1962-02-26
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Granted: 1965-09-14
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Harry W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:28
CPC Classifications
E; E21; E21B; E21B36/00; E21B36/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A BOMB FOR IGNITION OF A FUEL PACK IN A WELL BY DROPPING SAME ONTO SAID FUEL PACK COMPRISING AN UPRIGHT COMBUSTIBLE SHELL CLOSED AT THE LOWER END AND FORMING A FUEL CHAMBER; A MASS OF THERMITE IN THE LOWER END OF SAID CHAMBER; A MASS OF IGNITION POWDER ON TOP OF SAID THERMITE; A PARTICULAR MIXTURE OF SODIUM PEROXIDE AND A SOLID FUEL ON TOP OF SAID IGNITION POWDER; A GLASS VIAL CONTAINING A FLAMMABLE LIQUID WHICH IGNITES IN CONTACT WITH SODIUM PEROXIDE, LOOSELY POSITIONED UPRIGHT IN SAID SHELL ABOVE SAID MIXTURE; AND MEANS FOR BREAKING SAID VIAL BY IMPACT WHEN SAID BOMB LANDS ON SAID FUEL PACK.
Claim 2
Dependent Claim
109 words
A BOMB FOR IGNITION OF A FUEL PACK IN A WELL BY DROPPING SAME ONTO SAID FUEL PACK COMPRISING AN UPRIGHT COMBUSTIBLE SHELL CLOSED AT THE LOWER END AND FORMING A FUEL CHAMBER; A MASS OF THERMITE IN THE LOWER END OF SAID CHAMBER; A MASS OF IGNITION POWDER ON TOP OF SAID THERMITE; A PARTICULAR MIXTURE OF SODIUM PEROXIDE AND A SOLID FUEL ON TOP OF SAID IGNITION POWDER; A GLASS VIAL CONTAINING A FLAMMABLE LIQUID WHICH IGNITES IN CONTACT WITH SODIUM PEROXIDE, LOOSELY POSITIONED UPRIGHT IN SAID SHELL ABOVE SAID MIXTURE; AND MEANS FOR BREAKING SAID VIAL BY IMPACT WHEN SAID BOMB LANDS ON SAID FUEL PACK.
References Cited (Backward Citations)
US3031014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |