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US3486091A
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US
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Voltage-frequency-transducer with a device for compensating zero line drift
Assignee: PE Manufacturing GmbH
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Filing: 1966-06-15
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Granted: 1969-12-23
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Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Siess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:16
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8603; G01R; G01R25/00; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/18; G05D3/183; G01N30/8624; G01N30/8627; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |