US2747013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychrome television with color shift
Assignee: COLOR TELEVISION Inc
•
Filing: 1950-03-14
•
Granted: 1956-05-22
•
Expires: 1970-03-14
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Sleeper
- 👤 Robert J Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:11
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2296908A
Cited
US2378746A
Cited
US2399421A
Cited
US2389646A
Cited
US2515613A
Cited
US2547598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |