Patent US2300614A successfully refreshed from Google Patents.
US2300614A
Expired / Lapsed
US
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Liquid level gauge
Assignee: ROCHESTER Manufacturing CO Inc
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Filing: 1941-02-05
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Granted: 1942-11-03
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Expires: 1961-02-05
Abstract
No abstract record available.
Inventors
- 👤 William B Connolly
- 👤 Warren W Hastings
- 👤 Mulcahy William
- 👤 George E Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:42
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/48; G01F23/50; G01F23/32; G01F23/34; F; F17; F17C; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2250/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |