US3233115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload protection circuitry with feedback initiated latching circuit
Assignee: C M LAB
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Filing: 1964-02-04
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Granted: 1966-02-01
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Chou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:37
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H02; H02H; H02H3/00; H02H3/38; H03F3/00; H03F3/30; H03F3/3083; H03F3/3086; H03F3/3091
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |