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US2682043A
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Character sensing and analyzing system
Assignee: International Business Machines Corp
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Filing: 1951-12-27
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Granted: 1954-06-22
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Expires: 1971-12-27
Abstract
No abstract record available.
Inventors
- 👤 Clyde J Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/12; G06V10/70; G06V10/74; G06V10/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR563918A
Cited
US1547964A
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US1853443A
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US2096954A
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US2189001A
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US2266779A
Cited
US2337553A
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US2577141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |