US2689299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse selector circuit
Assignee: RCA Corp
•
Filing: 1949-05-07
•
Granted: 1954-09-14
•
Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 Earl I Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2181309A
Cited
US2277000A
Cited
US2440278A
Cited
US2410000A
Cited
US2477615A
Cited
US2416111A
Cited
US2418375A
Cited
US2431577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |