US4587568B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4587568B1 - - Google Patents
Assignee: Oki Electric Industry Co Ltd
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Filing: 1984-03-12
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Granted: 1988-12-27
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Expires: 2004-03-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/10; H04N1/1013; H04N1/1026; B; B43; B43L; B43L1/00; B43L1/004; B43L13/00; B43L13/14; B43L13/16; B43L13/18; H04N1/1017; H04N1/1039; H04N1/1043; H04N1/12; H04N1/1255; H04N1/19; H04N1/191; H04N1/192; H04N1/193; H04N2201/00; H04N2201/0077; H04N2201/0082; H04N2201/04; H04N2201/0402; H04N2201/0438
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) | 1991-12-27 | 1992-06-27 | 1992-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-27 | 1996-06-27 | 1996-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-27 | 2000-06-27 | 2000-12-27 | $7700.00 | Window Closed / Lapsed |