Patent US2468256A successfully refreshed from Google Patents.
US2468256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver including a horizontal oscillator responsive to a predetermined fraction of transmitted synchronizing pulses
Assignee: Hazeltine Research Inc
•
Filing: 1945-06-22
•
Granted: 1949-04-26
•
Expires: 1965-06-22
Abstract
No abstract record available.
Inventors
- 👤 Dennis C Espley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/28; H03K4/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1988931A
Cited
US2189843A
Cited
US2052184A
Cited
US2226230A
Cited
US2226229A
Cited
US2208374A
Cited
US2402091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |