US2878732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic copier
Assignee: Xerox Corp
•
Filing: 1955-01-03
•
Granted: 1959-03-24
•
Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Clyde R Mayo
- 👤 Bernard J Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:11
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26; G03G15/266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221776A
Cited
US2357809A
Cited
US2526840A
Cited
US2600580A
Cited
US2578498A
Cited
US2701764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |