Patent US4453167A successfully refreshed from Google Patents.
US4453167A
Expired / Lapsed
US
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Printer with ink correcting ribbon
Assignee: Canon Inc
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Filing: 1982-08-04
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Granted: 1984-06-05
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Expires: 2002-08-04
Abstract
Abstract A printer has a head mounted on a carriage moving on and along guide rails for printing. An error correcting head is further provided on the carriage.
Inventors
- 👤 Junichi Motoyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/26; B41J29/30; B41J29/36; B41J29/367
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
65 words
A thermal printer for use with apparatus including a platen, comprising: (a) a thermal head provided with heat generating elements energizable toward the surface of the platen; (b) a carriage mounting thereon said thermal head and being mounted to move said thermal head in parallel with the platen; and (c) an error correcting head mounted on said carriage and moving in parallel with said platen.
Claim 2
Dependent Claim
65 words
A thermal printer for use with apparatus including a platen, comprising: (a) a thermal head provided with heat generating elements energizable toward the surface of the platen; (b) a carriage mounting thereon said thermal head and being mounted to move said thermal head in parallel with the platen; and (c) an error correcting head mounted on said carriage and moving in parallel with said platen.
Claim 3
Dependent Claim
45 words
The thermal printer as set forth in claim 1, further comprising means for disposing an error correcting ink ribbon between said correcting head and the platen and wherein said error correcting head comprises hammer means for striking the platen through the error correcting ink ribbon.
Claim 4
Dependent Claim
22 words
The thermal printer as set forth in claim 2, wherein said hammer means includes a striking surface that is made substantially flat.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-05 | 1987-12-05 | 1988-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-05 | 1991-12-05 | 1992-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-05 | 1995-12-05 | 1996-06-05 | $7700.00 | Window Closed / Lapsed |