US3052213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic printer apparatus for printing with liquid ink
Assignee: International Business Machines Corp
•
Filing: 1958-12-17
•
Granted: 1962-09-04
•
Expires: 1978-12-17
Abstract
No abstract record available.
Inventors
- 👤 Roland M Schaffert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:51
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/101; G03G15/102; B; B41; B41J; B41J2/00; B41J2/005; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2451288A
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US2547706A
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US2556550A
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US2586047A
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US2584695A
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US2808328A
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US2784109A
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US2824813A
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US2868989A
Cited
US2878120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |