Patent US3051241A successfully refreshed from Google Patents.
US3051241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drillable limit plug
Assignee: Halliburton Co
•
Filing: 1959-01-30
•
Granted: 1962-08-28
•
Expires: 1979-01-30
Abstract
No abstract record available.
Inventors
- 👤 Burchus Q Barrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:11
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/134
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |