US2513221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Register correction for television
Assignee: RCA Corp
•
Filing: 1948-07-01
•
Granted: 1950-06-27
•
Expires: 1968-07-01
Abstract
No abstract record available.
Inventors
- 👤 Richard C Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:45
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/021; H01J29/46; H01J29/70; H01J29/701; H01J2229/00; H01J2229/96; H01J2229/964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985093A
Cited
US2004099A
Cited
US1995376A
Cited
US2157182A
Cited
US2165803A
Cited
US2244748A
Cited
US2258643A
Cited
US2455676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |