US2287819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for recording drilling operations
Assignee: FIRST ASSET-BASED LENDING GROUP Inc C/O CONSOLIDATED ASSET MANAGEMENT COMPANY 120 NORTH ROBINSON OKLAHOMA CITY OK 73192
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Filing: 1938-05-21
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Granted: 1942-06-30
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Expires: 1958-05-21
Abstract
No abstract record available.
Inventors
- 👤 Nichols Paul Briscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:39
CPC Classifications
E; E21; E21B; E21B45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-29 | 1945-12-29 | 1946-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-29 | 1949-12-29 | 1950-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-29 | 1953-12-29 | 1954-06-30 | $7700.00 | Window Closed / Lapsed |