Patent US2628346A successfully refreshed from Google Patents.
US2628346A
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Magnetic tape error control
Assignee: Monroe Calculating Machine Co
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Filing: 1951-11-03
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Granted: 1953-02-10
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Expires: 1971-11-03
Abstract
No abstract record available.
Inventors
- 👤 William H Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/18; G06F11/183; G06F11/187; G11; G11B; G11B20/00; G11B20/10; G11B20/18; G11B20/1803; G11B27/00; G11B27/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2394990A
Cited
US2427421A
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US2424773A
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US2547011A
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US2512038A
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US2589465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |