Patent US1643464A successfully refreshed from Google Patents.
Patent US2382992A successfully refreshed from Google Patents.
US2382992A
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Soil sampling apparatus
Assignee: Individual
•
Filing: 1944-02-10
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Granted: 1945-08-21
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Expires: 1964-02-10
Abstract
No abstract record available.
Inventors
- 👤 Harris Jesse Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:40
CPC Classifications
E; E02; E02D; E02D1/00; E02D1/02; E02D1/04; E21; E21B; E21B49/00; E21B49/02; E21B7/00; E21B7/26; E21B7/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-08-20 | 1949-02-19 | 1949-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-20 | 1953-02-19 | 1953-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-20 | 1957-02-19 | 1957-08-21 | $7700.00 | Window Closed / Lapsed |