US3011582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well logging system
Assignee: United Geophysical Corp
•
Filing: 1955-07-05
•
Granted: 1961-12-05
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:47
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/282; G01V1/24; G01V1/245; G01V1/40; G01V1/42; G01V2210/00; G01V2210/60; G01V2210/61; G01V2210/614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2688124A
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US2713147A
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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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |