US3128683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic apparatus
Assignee: Xerox Corp
•
Filing: 1961-04-17
•
Granted: 1964-04-14
•
Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Rubin Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G21/00; G03G21/0088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2551582A
Cited
US2752833A
Cited
US2987660A
Cited
US3084043A
Cited
US3051044A
Cited
US2965756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |