US3058093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character recognition method and apparatus
Assignee: EIDP Inc
•
Filing: 1957-12-26
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Granted: 1962-10-09
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Harcourt C Vernon
- 👤 Robert R Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V10/00; G06V10/10; G06V10/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2615992A
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US2616983A
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US2741312A
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US2894247A
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US2897481A
Cited
US2889535A
Cited
US2905927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |