US2824813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for developing electrostatic latent images
Assignee: Xerox Corp
•
Filing: 1952-05-12
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Granted: 1958-02-25
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Expires: 1972-05-12
Abstract
No abstract record available.
Inventors
- 👤 Donald L Fauser
- 👤 Jr Osmar A Ullrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:59
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803; G03G15/22; G03G15/24; G03G15/34; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191827A
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US2558900A
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US2590534A
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US2573881A
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US2701764A
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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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |