Patent US4929964B1 successfully refreshed from Google Patents.
US4929964B1
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Method for preparing liquid jet recording head, liquid jet recording head prepared by said method and liquid jet recording device having said liquid jet recording head mounted thereon
Assignee: Canon Inc
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Filing: 1989-06-07
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Granted: 1996-04-23
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Expires: 2009-06-07
Abstract
No abstract record available.
Inventors
- 👤 Koichi Sato
- 👤 Masami Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:07
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/045; B41J2/04501; B41J2/04565; B41J2/0458; B41J2/04591; B41J2/135; B41J2/16; B41J2/1601; B41J2/1604; B41J2/1621; B41J2/164; B41J2/1646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-04-23 | 1999-10-23 | 2000-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-23 | 2003-10-23 | 2004-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-23 | 2007-10-23 | 2008-04-23 | $7700.00 | Window Closed / Lapsed |