US2601543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double coil cable geophone
Assignee: ExxonMobil Oil Corp
•
Filing: 1949-09-12
•
Granted: 1952-06-24
•
Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Mcload
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/20; G01V1/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021330A
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US2067636A
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US2407697A
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US2269453A
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US2296754A
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US2283200A
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US2390187A
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US2410805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |