US2592448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spud method of installing oil well drilling bases
Assignee: RAYMOND CONCRETE PILE CO
•
Filing: 1948-06-02
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Granted: 1952-04-08
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Expires: 1968-06-02
Abstract
No abstract record available.
Inventors
- 👤 William V Mcmenimen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:04
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/02; E02B17/021; E21; E21B; E21B15/00; E21B15/02; E02B2017/0056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1763219A
Cited
US1718006A
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US2235695A
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US2248051A
Cited
US2237387A
Cited
US2308743A
Cited
US2429952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |