US3374402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data printing apparatus
Assignee: ENGLISH ELECTRO LEO MARCONI CO
•
Filing: 1964-10-07
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Granted: 1968-03-19
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Derc Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723; G; G06; G06K; G06K15/00; G06K15/02; G06K15/06; G06K15/07; H03K17/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124724A
Cited
US3140428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |