Patent US2463353A successfully refreshed from Google Patents.
US2463353A
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US
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Bumper sub safety joint
Assignee: Baker Hughes Holdings LLC
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Filing: 1944-06-06
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Granted: 1949-03-01
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Expires: 1964-06-06
Abstract
No abstract record available.
Inventors
- 👤 Cicero C Brown
- 👤 Mccray George
- 👤 Jr Floyd L Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:10
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1796611A
Cited
US1839690A
Cited
US1855363A
Cited
US1982915A
Cited
US1989907A
Cited
US2029609A
Cited
US2049290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |