US3413412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse width discriminator circuit for eliminating noise pulses below a predeterminedminimum width
Assignee: Xerox Corp
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Filing: 1964-12-30
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Granted: 1968-11-26
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:07
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; G; G01; G01R; G01R29/00; G01R29/02; G01R29/027; G01R29/0273; H04; H04N; H04N1/00; H04N1/40; H04N1/409
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |