US3377485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photomechanical code keyboard unit
Assignee: Fujitsu Ltd
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Filing: 1965-01-27
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Granted: 1968-04-09
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Expires: 1985-01-27
Abstract
No abstract record available.
Inventors
- 👤 Amada Sanae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:20
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/965; H03K17/968; H03K17/969; H04; H04L; H04L13/00; H04L13/16
Claims Analysis
Total Claims: 0
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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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |