US3104370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recognition systems using assertions and negations
Assignee: RABINOW ENGINEERING CO Inc
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Filing: 1960-12-15
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Granted: 1963-09-17
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Expires: 1980-12-15
Abstract
No abstract record available.
Inventors
- 👤 Rabinow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/70; G06V10/74; G06V10/75; G06V10/751
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
IN A READING MACHINE FOR CHARACTERS ON A CONTRASTING BACKGROUND AREA, MEANS TO EXAMINE A CHARACTER AND ITS BACKGROUND AREA AND PROVIDE OUTPUTS WHICH CORRESPOND TO THE OPTICAL DENSITY OF SUB AREAS OF SAID AREA AND CHARACTER, SAID OUTPUT PROVIDING MEANS ASSOCIATED
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |