Patent JPS5870542A successfully refreshed from Google Patents.
US3445587A
Expired / Lapsed
US
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Recording stylus control system
Assignee: Xerox Corp
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Filing: 1965-10-01
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Granted: 1969-05-20
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Francis J Jansen
- 👤 Robert W Reynolds
- 👤 George T Shimabukuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/40; H04N1/40068; H04N1/024; H04N1/032
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |