Patent US3062045A successfully refreshed from Google Patents.
US3062045A
Expired / Lapsed
US
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Augers for soil survey and a process of using said augers
Assignee: Individual
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Filing: 1959-06-08
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Granted: 1962-11-06
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Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 Sokjer-Petersen Gunna Hannibal
- 👤 Johansson Jan Erik
- 👤 Nyman Karl-Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:28
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/003; E21B7/005; E21B49/00; E21B49/006; G; G01; G01V; G01V9/00
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |