Patent US3012228A successfully refreshed from Google Patents.
US3012228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing circuit
Assignee: RCA Corp
•
Filing: 1956-10-16
•
Granted: 1961-12-05
•
Expires: 1976-10-16
Abstract
No abstract record available.
Inventors
- 👤 Hajime J Kishi
- 👤 Thomas R Sheridan
- 👤 Liguori Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:26
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/10; H04L13/12; H04L13/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2700502A
Cited
US2700503A
Cited
US2652501A
Cited
US2654080A
Cited
US2776418A
Cited
US2832951A
Cited
US2844815A
Cited
US2784390A
Cited
US2720597A
Cited
US2768367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |