Patent US2887023A successfully refreshed from Google Patents.
US2887023A
Expired / Lapsed
US
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Electrostatic printer
Assignee: RCA Corp
•
Filing: 1951-11-26
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Granted: 1959-05-19
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Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Charles J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:09
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1714705A
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US1770013A
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US1840289A
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US2153166A
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US2357809A
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US2551582A
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US2624652A
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US2516242A
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US2573881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |