US3017521A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor circuit for producing a pulse output for each input signal peak
Assignee: Philips North America LLC
•
Filing: 1958-07-01
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Granted: 1962-01-16
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Adelbert C Herstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:29
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153; H03K5/1532; G; G11; G11B; G11B20/00; G11B20/10; G11B20/10009; G11B20/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2777092A
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US2870310A
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US2872596A
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US2816230A
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US2905835A
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US2758206A
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US2843743A
Cited
US2906893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |