US3278940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic emitter for writing with ink jet
Assignee: Paillard SA
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Filing: 1963-09-23
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Granted: 1966-10-11
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ascoli Enzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ELECTROSTATIC EMITTER FOR WRITING BY INK JET 2, COMPRISING AN INK NOZZLE 1, MEANS FOR SQUIRTING AN INK JET 2 FROM THIS NOZZLE 1, DEFLECTOR PLATES, 3, 4 DISPOSED IN PROXIMITY TO THE JET 2 TO DEVIATE IT BEFORE IT REACHES A WRITING SURFACE 5, THIS JET 2 HAVING TO PASS AT LEAST IN PROXIMITY TO ELECTRODE MEANS 8, 15, 16, 18 WHICH CAN BE BROUGHT TO A POTENTIAL CAPABLE OF CREATING AN ELECTROSTATIC FIELD, WHEREOF AN EQUIPOTENTIAL SURFACE 17A, 19A OF VALUE SUBSTANTIALLY EQUAL TO THE POTENTIAL OF NOZZLE 1 IS PROVIDED BETWEEN THE NOZZLE 1 AND THE WRITING SURFACE 5 IN SUCH A WAY AS TO REFLECT THE INK JET 2 AND PREVENT IT FROM REACHING THE WRITING SURFACE 5, CHARACTERIZED IN THAT THE SAID ELECTRODE 8, 15, 16, 18 IS DISPOSED TO CREATE THE SAID EQUIPOTENTIAL SURFACE 17A, 19A BETWEEN THE DEFLECTOR PLATES 3 AND 4 AND THE WRITING SURFACE 5, OBLIQUELY TO THE AXIS OF THE NOZZLE 1 TO REFLECT THE INK JET 2 IN A GIVEN DIRECTION OUTSIDE THIS AXIS.
Claim 2
Dependent Claim
176 words
AN ELECTROSTATIC EMITTER FOR WRITING BY INK JET 2, COMPRISING AN INK NOZZLE 1, MEANS FOR SQUIRTING AN INK JET 2 FROM THIS NOZZLE 1, DEFLECTOR PLATES, 3, 4 DISPOSED IN PROXIMITY TO THE JET 2 TO DEVIATE IT BEFORE IT REACHES A WRITING SURFACE 5, THIS JET 2 HAVING TO PASS AT LEAST IN PROXIMITY TO ELECTRODE MEANS 8, 15, 16, 18 WHICH CAN BE BROUGHT TO A POTENTIAL CAPABLE OF CREATING AN ELECTROSTATIC FIELD, WHEREOF AN EQUIPOTENTIAL SURFACE 17A, 19A OF VALUE SUBSTANTIALLY EQUAL TO THE POTENTIAL OF NOZZLE 1 IS PROVIDED BETWEEN THE NOZZLE 1 AND THE WRITING SURFACE 5 IN SUCH A WAY AS TO REFLECT THE INK JET 2 AND PREVENT IT FROM REACHING THE WRITING SURFACE 5, CHARACTERIZED IN THAT THE SAID ELECTRODE 8, 15, 16, 18 IS DISPOSED TO CREATE THE SAID EQUIPOTENTIAL SURFACE 17A, 19A BETWEEN THE DEFLECTOR PLATES 3 AND 4 AND THE WRITING SURFACE 5, OBLIQUELY TO THE AXIS OF THE NOZZLE 1 TO REFLECT THE INK JET 2 IN A GIVEN DIRECTION OUTSIDE THIS AXIS.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |