US3057553A
Expired / Lapsed
US
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Assignee: LIQUID CONTROIS Corp
•
Filing: 1957-04-04
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Granted: 1962-10-09
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Billeter Henry Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:31
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/001; G06; G06M; G06M3/00; G06M3/02; G06M3/021; G06M3/022
Claims Analysis
Total Claims: 0
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US2107441A
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US2289869A
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US2395795A
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US2423991A
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US2596370A
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US2723013A
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US2756855A
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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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |