US3049968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic reproduction apparatus
Assignee: Xerox Corp
•
Filing: 1959-03-02
•
Granted: 1962-08-21
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Sten R Johanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/04; G03G15/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1197391A
Cited
US1344896A
Cited
GB540932A
Cited
US2464162A
Cited
GB642939A
Cited
US2878717A
Cited
US2781705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |