US3371533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring the level of cryogenic liquids
Assignee: Societe Industrielle de Liaisons Electriques SA
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Filing: 1965-02-15
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Granted: 1968-03-05
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Guy H Dumas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C13/021; G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/246; G01F23/247; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0149; F17C2223/00; F17C2223/04; F17C2223/042; F17C2223/043; F17C2223/045; F17C2223/046; F17C2223/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2860219A
Cited
US3222578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |