Patent US3484162A successfully refreshed from Google Patents.
US3484162A
Expired / Lapsed
US
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Electroviscous recording
Assignee: Xerox Corp
•
Filing: 1966-04-21
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Granted: 1969-12-16
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Expires: 1986-04-21
Abstract
No abstract record available.
Inventors
- 👤 Harold E Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:17
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/06; G01; G01D; G01D15/00; G01D15/06; G03G15/00; G03G15/22; G03G15/34; G03G9/00; G03G9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3133484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |