US3058000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion logging
Assignee: Individual
•
Filing: 1957-12-13
•
Granted: 1962-10-09
•
Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:04
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)
USRE24383E
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US2469461A
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US2665385A
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US2635192A
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US2721944A
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US2659011A
Cited
US2725485A
Cited
US2711482A
Cited
US2769918A
Cited
US2923824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |