Patent US2955894A successfully refreshed from Google Patents.
US2955894A
Expired / Lapsed
US
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Page printing apparatus
Assignee: Unisys Corp
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Filing: 1957-04-05
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Granted: 1960-10-11
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Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Epstein Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:33
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321; G03G15/325; G06; G06K; G06K15/00; G06K15/02; G06K15/14; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035474A
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US2035475A
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US2739865A
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US2716826A
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US2771336A
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US2769680A
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US2857290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |