US2547002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the liquid level in a container
Assignee: GEORGE B PITTS
•
Filing: 1945-04-16
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Granted: 1951-04-03
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Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Hanson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:15
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/162; B; B67; B67D; B67D1/00; B67D1/08; B67D1/0871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490860A
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US750449A
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US679201A
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FR370962A
Cited
US1065233A
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US1248340A
Cited
US1991264A
Cited
US2083281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |