Patent US3013718A successfully refreshed from Google Patents.
US3013718A
Expired / Lapsed
US
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Apparatus for checking accuracy of automatic character readings
Assignee: INTELLIGENT MACHINES RES CORP
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Filing: 1956-02-08
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Granted: 1961-12-19
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Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 David H Shepard
- 👤 Pickard F Bargh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:18
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/104; G06V; G06V10/00; G06V10/98
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |