US3045587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic printing apparatus for forming multiple copies
Assignee: Xerox Corp
•
Filing: 1957-06-06
•
Granted: 1962-07-24
•
Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Schwertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:41
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/14; G03G15/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2715360A
Cited
US2703780A
Cited
US2811101A
Cited
US2919170A
Cited
US2756676A
Cited
GB755486A
Cited
US2803177A
Cited
US2752271A
Cited
US2951443A
Cited
US2919967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |