US3208076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic printer
Assignee: Xerox Corp
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Filing: 1960-05-05
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Granted: 1965-09-21
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 George R Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:36
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
IN A HIGH SPEED ELECTROSTATIC PRINTER IN WHICH PRINTTING IS ACCOMPLISHED BY THE APPLICATION OF AT LEAST TWO PULSES IN COINCIDEENCE TO RAISE THE POTENTIAL ACROSS A PRINTING GAP FORMED BY A ROTATING CHARACTER CYLINDER ANND A PRINT ELECTRODE ABOVE THE POTENTIAL REQUIRED TO INITIATE AN IONIZING ELECTRICAL FIELD DISCHARGE ACROSS SAID GAP,, THE IMPROVEMENT COMPRSIING AT LEAST ONE COUPLING ELECTRODE ELECTRICALLY CONNECTED TO ONE OF SAI DPLUSE GENNERATORS CLOSELY ADJACENT BUT SPACED FROM SAID CHARACTER CYLINDER A DISTANCE GREATER THAN THAT WHICH WOULD CAUSE AN IONIZING ELECTICAL FIELD DISCHARGE BETWEEN SAID COUPLING ELECTRODE AND SAID CYLINDER UPONN THE APPLICATION OF A PLUSE FROM SAID PULSE GENERATOR CAPACITIVELY COUPLING SAID PULSE GENERATOR TO SAID CHARACTER CYLINDER.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |