Patent US2866336A successfully refreshed from Google Patents.
US2866336A
Expired / Lapsed
US
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Liquid level gage
Assignee: Arthur D Little Inc
•
Filing: 1953-07-06
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Granted: 1958-12-30
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Expires: 1973-07-06
Abstract
No abstract record available.
Inventors
- 👤 Gerald I Hitchcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:41
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924087A
Cited
US2231035A
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US2241190A
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US2222221A
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US2349992A
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US2375084A
Cited
US2602833A
Cited
US2651751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |