US2672072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television optical system
Assignee: RCA Corp
•
Filing: 1951-03-15
•
Granted: 1954-03-16
•
Expires: 1971-03-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Sachtleben
- 👤 Glenn L Dimmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
G; G03; G03B; G03B33/00; G03B33/10; G03B33/12; H; H04; H04N; H04N23/00; H04N23/10; H04N23/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1238775A
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GB385141A
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GB380938A
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US1989317A
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GB500728A
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CH266144A
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US2405063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |