US2823255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position error assimilator
Assignee: RCA Corp
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Filing: 1954-10-01
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Granted: 1958-02-11
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Hall James Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:39
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/917; H04N5/919; G; G11; G11B; G11B20/00; G11B20/22; G11B20/225; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |