US3265518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for intensifying images to be read by optical readers
Assignee: International Business Machines Corp
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Filing: 1963-12-30
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Granted: 1966-08-09
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Lasky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:15
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/08; B41F23/02; B41M; B41M7/00; G; G06; G06V; G06V10/00; G06V10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD FOR INTENSIFYING THE OPTICAL DENSITY OF CHARACTERS PRINTED UPON DOCUMENTS FROM A FABRIC INK RIBBON WHICH COMPRISES: SORTING OUT DOCUMENTS WHICH CANNOT BE READ BY AN OPTICAL CHARACTER READER, AND APPLYING A SOLVENT OF THE INK PARTICLES IN THE FORM OF A VAPOR TO THE CHARACTERS ON THE SORTED-OUT DOCU-
Claim 2
Independent Claim
52 words
A METHOD FOR INTENSIFYING THE OPTICAL DENSITY OF CHARACTERS PRINTED UPON DOCUMENTS FROM A FABRIC INK RIBBON WHICH COMPRISES: SORTING OUT DOCUMENTS WHICH CANNOT BE READ BY AN OPTICAL CHARACTER READER, AND APPLYING A SOLVENT OF THE INK PARTICLES IN THE FORM OF A VAPOR TO THE CHARACTERS ON THE SORTED-OUT DOCU-
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |