US3240067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for collecting groundwater samples in situ
Assignee: Individual
•
Filing: 1963-10-21
•
Granted: 1966-03-15
•
Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jongejan Arnout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:14
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US33736A
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US365951A
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US1379477A
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US834268A
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US2355620A
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CH255908A
Cited
US2761833A
Cited
US2995037A
Cited
US3003643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |