US3389398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed printing apparatus
Assignee: Unisys Corp
•
Filing: 1963-10-17
•
Granted: 1968-06-18
•
Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 John A Engstrom
- 👤 Erwin G Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/14; B; B41; B41J; B41J2/00; B41J2/385; B41M; B41M5/00; B41M5/24; B41M5/245; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2919967A
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US3091767A
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US3247517A
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US3068481A
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US3176307A
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US3254346A
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US3234904A
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US3182591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |