US2652491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color pulse selector circuit
Assignee: Avco Manufacturing Corp
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Filing: 1951-03-17
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Granted: 1953-09-15
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Expires: 1971-03-17
Abstract
No abstract record available.
Inventors
- 👤 Richard A Maher
- 👤 Christian C Pfitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:58
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/08; H04N5/00; H04N5/04; H04N5/08; H04N5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |