US2831424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling type carriage in high speed printers
Assignee: Unisys Corp
•
Filing: 1954-03-01
•
Granted: 1958-04-22
•
Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Duncan N Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:24
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/20; Y; Y10; Y10S; Y10S101/00; Y10S101/42; Y10S101/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606743A
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US619667A
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US867868A
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US1114905A
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US1229202A
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US2093545A
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US2675108A
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US2664817A
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US2692551A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |