Patent US3517744A successfully refreshed from Google Patents.
US3517744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon production by in-situ combustion and natural water drive
Assignee: Texaco Inc
•
Filing: 1968-11-14
•
Granted: 1970-06-30
•
Expires: 1988-11-14
Abstract
No abstract record available.
Inventors
- 👤 William D Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243; E21B43/166; E21B43/168
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3193008A
Cited
US3215198A
Cited
US3152640A
Cited
US3167121A
Cited
US3349846A
Cited
US3332480A
Cited
US3393735A
Cited
US3402768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |