US2544012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating and control device
Assignee: Liquidometer Corp
•
Filing: 1944-12-11
•
Granted: 1951-03-06
•
Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 Edelman Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:45
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1610179A
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GB243318A
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DE464346C
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GB385265A
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US1970442A
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GB441576A
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US2200863A
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GB481103A
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US2149756A
Cited
US2248661A
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US2300562A
Cited
US2294797A
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US2298893A
Cited
US2377275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |