US3045754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel tubing string packer and anchor
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1958-04-29
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Granted: 1962-07-24
•
Expires: 1978-04-29
Abstract
No abstract record available.
Inventors
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:33
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014272A
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US2253092A
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US2352700A
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US2792063A
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US2850099A
Cited
US2989121A
Cited
US2902093A
Cited
US2903066A
Cited
US2791277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |