Patent US3010842A successfully refreshed from Google Patents.
US3010842A
Expired / Lapsed
US
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Development of electrostatic images
Assignee: Xerox Corp
•
Filing: 1955-08-29
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Granted: 1961-11-28
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Ricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:38
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/12; G03G9/122; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1589327A
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US1870408A
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US2251992A
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US2297691A
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US2633796A
Cited
US2808328A
Cited
US2784109A
Cited
GB698994A
Cited
US2761416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |