US3170072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multivibrator for television deflection circuit
Assignee: Westinghouse Electric Corp
•
Filing: 1960-11-21
•
Granted: 1965-02-16
•
Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Melbourne J Hellstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:28
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/62; H03K4/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423304A
Cited
US2946899A
Cited
US2952784A
Cited
US2992640A
Cited
US3065362A
Cited
US3041470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |