Patent US3480079A successfully refreshed from Google Patents.
US3480079A
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Well treating methods using temperature surveys
Assignee: TITAN SERVICES Inc
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Filing: 1968-06-07
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Granted: 1969-11-25
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Expires: 1988-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jerry H Guinn
- 👤 William Sherwood Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/267; E21B47/00; E21B47/06; E21B47/07; E21B47/10; E21B47/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2242612A
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US2290075A
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US2383455A
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US2676489A
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US2803526A
Cited
US3122016A
Cited
US3410136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |