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US2824689A
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US
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Electrolytic analogue
Assignee: ExxonMobil Oil Corp
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Filing: 1951-11-07
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Granted: 1958-02-25
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Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 Julius S Aronofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:51
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/38; G01V3/18; G01V3/20; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38; G06G7/40; G06G7/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |