US2586966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep water oil well drilling system
Assignee: Individual
•
Filing: 1949-08-08
•
Granted: 1952-02-26
•
Expires: 1969-08-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Kuss
- 👤 Russell Ralph Denton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:24
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027; E02B2017/0052; E02B2017/0056; E02B2017/0073; E02B2017/0082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094949A
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US1831210A
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US1718006A
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US1867030A
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US2236682A
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US2248051A
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US2352370A
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US2430014A
Cited
US2422168A
Cited
US2429952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |