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US2874064A
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Xerographic cleaner
Assignee: Xerox Corp
•
Filing: 1955-05-16
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Granted: 1959-02-17
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Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Paul G Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/005; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221776A
Cited
US2297691A
Cited
US2357809A
Cited
US2624652A
Cited
US2484782A
Cited
US2701764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |