Patent US2864981A successfully refreshed from Google Patents.
US2864981A
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US
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Compensating capacitor
Assignee: Liquidometer Corp
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Filing: 1956-08-14
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Granted: 1958-12-16
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Expires: 1976-08-14
Abstract
No abstract record available.
Inventors
- 👤 Giers Clarence A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:48
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/268; H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2724273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |