US3381245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensation system having feedforward and feedback circuits for canceling leading and trailing edge distortion of signal pulses
Assignee: Patelhold Patenverwertungs and Elektro-Holding AG
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Filing: 1966-02-23
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Granted: 1968-04-30
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Guanella Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06; H03K5/065; H04; H04J; H04J3/00; H04J3/02; H04J3/10; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03006; H04L25/03012; H04L25/03019; H04L25/03031; H04L25/03114; H04L25/03127; H04L25/03146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3068417A
Cited
US3305798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |