US2470743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for geophysical prospecting
Assignee: ExxonMobil Oil Corp
•
Filing: 1944-09-16
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Granted: 1949-05-17
•
Expires: 1964-09-16
Abstract
No abstract record available.
Inventors
- 👤 Frank P Hochgesang
- 👤 Carleton H Schlesman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:07
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2025488A
Cited
US2133776A
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US2334475A
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US2341745A
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US2344598A
Cited
US2317329A
Cited
US2400678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |