Patent US3027464A successfully refreshed from Google Patents.
US3027464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three state circuit
Assignee: RCA Corp
•
Filing: 1960-05-26
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Granted: 1962-03-27
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Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Walter F Kosonocky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:37
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2098370A
Cited
US2944164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |