US2600580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic apparatus
Assignee: Xerox Corp
•
Filing: 1949-06-03
•
Granted: 1952-06-17
•
Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Edward R Sabel
- 👤 Edward T Macey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:54
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26; G03G15/266; H; H04; H04N; H04N1/00; H04N1/23; H04N1/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1482172A
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |