US2995679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for generating a sawtooth current in an inductance
Assignee: US Philips Corp
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Filing: 1956-06-19
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Granted: 1961-08-08
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Expires: 1976-06-19
Abstract
No abstract record available.
Inventors
- 👤 Derek Robert Skoyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
A; A22; A22C; A22C7/00; A47; A47J; A47J43/00; A47J43/20; H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/62; H03K4/68; H03K4/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2598134A
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US2697784A
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US2562941A
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US2571824A
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US2664521A
Cited
US2728857A
Cited
US2760109A
Cited
US2774911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |