US3142840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed printing apparatus
Assignee: International Business Machines Corp
•
Filing: 1959-06-24
•
Granted: 1964-07-28
•
Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Charles B Smith
- 👤 Victor O Wilkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:40
CPC Classifications
G; G03; G03G; G03G19/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB733484A
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US2811101A
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US2841461A
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US2909616A
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US3005056A
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US2918659A
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US2820956A
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US2850348A
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US2919314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |