US3427562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage controlled variable frequency relaxation oscillator
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1966-10-26
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Granted: 1969-02-11
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Expires: 1986-10-26
Abstract
No abstract record available.
Inventors
- 👤 Peter A Lajoie
- 👤 Samuel S Harbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:27
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723; H03K3/00; H03K3/02; H03K3/35; H03K3/351
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |