US3472136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character generator
Assignee: Xerox Corp
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Filing: 1966-07-05
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Granted: 1969-10-14
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Kent W Hemphill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/435; B41J2/465; B41J2/4655; G; G03; G03G; G03G15/00; G03G15/22; G03G15/221; G03G15/223; G06; G06K; G06K15/00; G06K15/02; G06K15/12; G06K15/1238; G06K15/1295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |