Patent US2634608A successfully refreshed from Google Patents.
US2634608A
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US
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Liquid level gauge
Assignee: Individual
•
Filing: 1947-10-24
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Granted: 1953-04-14
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Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
- 👤 A P Sorber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/58; G01F23/32; G01F23/34; F; F17; F17C; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0408; F17C2250/0413; Y; Y10; Y10S; Y10S73/00; Y10S73/05; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44118A
Cited
US50581A
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US1423544A
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US1040127A
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US1024377A
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US1141499A
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US1335196A
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US1798434A
Cited
US2216917A
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US2425691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |