US2590531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector arrangement for seismic prospecting system
Assignee: ExxonMobil Oil Corp
•
Filing: 1948-03-10
•
Granted: 1952-03-25
•
Expires: 1968-03-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Mcload
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
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)
DE367545C
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US2191120A
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US2191121A
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US2241428A
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US2423591A
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US2329793A
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US2410805A
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US2440903A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |