US3335322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge head array for electrostatic printing system
Assignee: Borg Warner Corp
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Filing: 1966-05-06
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Granted: 1967-08-08
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Epstein Herman
- 👤 William P Foster
- 👤 Thomas L Thourson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A SYSTEM FOR PROVIDING A MASS OF CHARGE PARTICLES FOR DIRECTION THROUGH A STENCIL ONTO A WEB, A CHARGE HEAD COMPRISING: AN ARRAY OF ELECTRODES HAVING A CENTRAL AXIS AND COMPRISING A PLURALITY OF PAIRS OF ELECTRODES, WITH AT LEAST A FIRST PAIR OF SAID PAIRS OF ELECTRODES POSITIONED ON ONE SIDE OF SAID CENTRAL AXIS AND A SECOND PAIR OF SAID PAIRS OF ELECTRODES POSITIONED ON THE OTHER SIDE OF SAID CENTRAL AXIS, A FIRST ELECTRODE OF EACH PAIR NEARER SAID CENTRAL AXIS THAN THE SECOND ELECTRODE IN EACH PAIR, MEANS FOR ELECTRICALLY COUPLING ALL THE FIRST ELECTRODES IN THE ARRAY TO A FIRST COMMON LINE, AND MEANS FOR ELECTRICALLY INDIVIDUALLY COUPLING ALL THE SECOND ELECTRODES IN THE ARRAY TO A SECOND COMMON LINE, WHEREUPON APPLICATION OF A DISCHARGE SIGNAL BETWEEN SAID COMMON LINES PRODUCES A MASS OF CHARGE PARTICLES.
Claim 2
Dependent Claim
142 words
IN A SYSTEM FOR PROVIDING A MASS OF CHARGE PARTICLES FOR DIRECTION THROUGH A STENCIL ONTO A WEB, A CHARGE HEAD COMPRISING: AN ARRAY OF ELECTRODES HAVING A CENTRAL AXIS AND COMPRISING A PLURALITY OF PAIRS OF ELECTRODES, WITH AT LEAST A FIRST PAIR OF SAID PAIRS OF ELECTRODES POSITIONED ON ONE SIDE OF SAID CENTRAL AXIS AND A SECOND PAIR OF SAID PAIRS OF ELECTRODES POSITIONED ON THE OTHER SIDE OF SAID CENTRAL AXIS, A FIRST ELECTRODE OF EACH PAIR NEARER SAID CENTRAL AXIS THAN THE SECOND ELECTRODE IN EACH PAIR, MEANS FOR ELECTRICALLY COUPLING ALL THE FIRST ELECTRODES IN THE ARRAY TO A FIRST COMMON LINE, AND MEANS FOR ELECTRICALLY INDIVIDUALLY COUPLING ALL THE SECOND ELECTRODES IN THE ARRAY TO A SECOND COMMON LINE, WHEREUPON APPLICATION OF A DISCHARGE SIGNAL BETWEEN SAID COMMON LINES PRODUCES A MASS OF CHARGE PARTICLES.
References Cited (Backward Citations)
US2343338A
Cited
US3124804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |