US3469114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switch and control circuit therefor
Assignee: Westinghouse Electric Corp
•
Filing: 1965-11-19
•
Granted: 1969-09-23
•
Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 John M Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:53
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/60; H03K17/73; H03K17/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899571A
Cited
US3253161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |