Patent US3500325A successfully refreshed from Google Patents.
US3500325A
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US
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Apparatus for separating closely spaced characters in a character recognition machine
Assignee: International Business Machines Corp
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Filing: 1966-01-19
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Granted: 1970-03-10
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Evon C Greanias
- 👤 Donald J Lem
- 👤 Philip F Meagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:05
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/14; G06V30/148; G06V30/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3111646A
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US3219974A
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US3199080A
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US3164806A
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US3309668A
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US3231860A
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US3305832A
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US3303466A
Cited
US3276008A
Cited
US3344399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |