Patent US4462685A successfully refreshed from Google Patents.
Patent US2995059A successfully refreshed from Google Patents.
US2995059A
Expired / Lapsed
US
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Range finder, particularly for determining the depth of liquid columns and the like
Assignee: Mellabora G M B H
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Filing: 1959-05-05
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Granted: 1961-08-08
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Oehling Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:09
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/292; G01C; G01C3/00; G01C3/10; G01C3/12
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |