US2607225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level gauge
Assignee: SAF T VISI GAUGE CORP
•
Filing: 1948-01-23
•
Granted: 1952-08-19
•
Expires: 1968-01-23
Abstract
No abstract record available.
Inventors
- 👤 Percival H Biscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:12
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE292001C
Cited
US37292A
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US368197A
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GB189412715A
Cited
US1047863A
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US1224752A
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US1839413A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |