Patent US2393246A successfully refreshed from Google Patents.
Patent US2528510A successfully refreshed from Google Patents.
US2528510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television
Assignee: CBS Broadcasting Inc
•
Filing: 1946-05-10
•
Granted: 1950-11-07
•
Expires: 1966-05-10
Abstract
No abstract record available.
Inventors
- 👤 Peter C Goldmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2109540A
Cited
US2350892A
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US2296908A
Cited
US2319804A
Cited
US2294820A
Cited
US2378746A
Cited
US2389979A
Cited
US2389646A
Cited
US2415226A
Cited
US2457415A
Cited
US2417621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |