US3061757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement to produce a sawtooth current in a coil and a direct voltage
Assignee: US Philips Corp
•
Filing: 1959-02-16
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Granted: 1962-10-30
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Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Janssen Peter Johanne Hubertus
- 👤 Smeulers Wouter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:36
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H04N3/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2810093A
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US2856560A
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US2872616A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |