US2678060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float gauge
Assignee: Chicago Bridge and Iron Co
•
Filing: 1947-10-08
•
Granted: 1954-05-11
•
Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 Arne Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:44
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/76; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1459486A
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US1664840A
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US1858346A
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US2054212A
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GB386218A
Cited
US2069279A
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US2115043A
Cited
US2110490A
Cited
GB480367A
Cited
US2201974A
Cited
US2432875A
Cited
US2552552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |