US2707998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Setting tool, dump bailer, and well packer apparatus
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1950-09-26
•
Granted: 1955-05-10
•
Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Reuben C Baker
- 👤 Austin Benjamin Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:19
CPC Classifications
E; E21; E21B; E21B27/00; E21B27/02; E21B23/00; E21B23/06; E21B23/065; 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)
US1913548A
Cited
US1954608A
Cited
US2017451A
Cited
US2207478A
Cited
US2189445A
Cited
US2189703A
Cited
US2312862A
Cited
US2235318A
Cited
US2357589A
Cited
US2373006A
Cited
US2618345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |