US3454095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil recovery method using steam stimulation of subterranean formation
Assignee: Mobil Oil AS
•
Filing: 1968-01-08
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Granted: 1969-07-08
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Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph U Messenger
- 👤 William W Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/607; C09K8/58; C09K8/592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3131759A
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US3204694A
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US3330344A
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US3366174A
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US3389750A
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US3402770A
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US3373809A
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US3396792A
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US3292702A
Cited
US3379249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |