US2981102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well depth recorder
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: 1956-03-23
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Granted: 1961-04-25
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Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 James O Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US735012A
Cited
US2357051A
Cited
US2390178A
Cited
US2421438A
Cited
US2535096A
Cited
US2628498A
Cited
US2600336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |