Patent US4040826A successfully refreshed from Google Patents.
US4040826A
Expired / Lapsed
US
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Maging system of migration material in softenable layer
Assignee: Xerox Corp
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Filing: 1976-04-22
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Granted: 1977-08-09
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Expires: 1996-04-22
Abstract
No abstract record available.
Inventors
- 👤 William L Goffe
- 👤 Joseph Mamming
- 👤 Joan R Ewing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:38
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0532; G03G5/0535; G03G13/00; G03G13/14; G03G13/22; G03G17/00; G03G17/10; G03G5/022; G03G5/08; G03G5/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |