US3467189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for determining the approach of a combustion front adjacent a production well
Assignee: Mobil Oil AS
•
Filing: 1968-03-04
•
Granted: 1969-09-16
•
Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 Alan J Dingley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/087; E21B49/0875; E21B43/00; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2803305A
Cited
US2800183A
Cited
US3240270A
Cited
US3259185A
Cited
US3163211A
Cited
US3202219A
Cited
US3208516A
Cited
US3343598A
Cited
US3406755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |