Patent US2682572A successfully refreshed from Google Patents.
US2682572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic recording of television programs
Assignee: RCA Corp
•
Filing: 1951-06-01
•
Granted: 1954-06-29
•
Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 George K Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:13
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2044333A
Cited
US2052792A
Cited
US1950091A
Cited
GB377944A
Cited
US1810002A
Cited
US2365567A
Cited
US2420197A
Cited
US2538910A
Cited
US2585034A
Cited
US2615088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |