US2549585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple television projector
Assignee: RCA Corp
•
Filing: 1947-04-29
•
Granted: 1951-04-17
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 David W Epstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:22
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT107486B
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US2273801A
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US2389646A
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US2455476A
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US2453003A
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US2424513A
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US2484345A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |