Patent US2406947A successfully refreshed from Google Patents.
US3270637A
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US
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Electroviscous recording
Assignee: Xerox Corp
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Filing: 1963-10-03
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Granted: 1966-09-06
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Harold E Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:31
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/06; G01; G01D; G01D15/00; G01D15/06; G03G15/00; G03G15/22; G03G15/34; G03G9/00; G03G9/06; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IMAGE REPRODUCING APPARATUS COMPRISING LIQUID CONTAINING MEANS ADAPTED TO CONTAIN ELECTROVISCOUS LIQUID AND HAVING AN APERTURE THEREIN, MEANS TO MOVE AN IMAGE RECORDING MEMBER PAST SAID APERTURE, MEANS TO MAINTAIN LIQUID UNDER PRESSURE WITHIN SAID CONTAINING MEANS FOR INDUCING LIQUID FLOW THROUGH SAID APERTURE ONTO SAID RECORDING MEMBER, AT LEAST ONE PAIR OF ELECTRODES AT SAID APERTURE, AND CIRCUIT MEANS TO SELECTIVELY APPLY A VOLTAGE BETWEEN SAID ELECTRODES TO OVERCOME SAID MAINTAINED PRESSURE AND INHIBIT THE FLOW OF SAID ELECTROVISCOUS LIQUID THERETHROUGH THEREBY FORMING A LIQUID PATTERN ON SAID IMAGE RECORDING MEMBER.
Claim 2
Dependent Claim
92 words
IMAGE REPRODUCING APPARATUS COMPRISING LIQUID CONTAINING MEANS ADAPTED TO CONTAIN ELECTROVISCOUS LIQUID AND HAVING AN APERTURE THEREIN, MEANS TO MOVE AN IMAGE RECORDING MEMBER PAST SAID APERTURE, MEANS TO MAINTAIN LIQUID UNDER PRESSURE WITHIN SAID CONTAINING MEANS FOR INDUCING LIQUID FLOW THROUGH SAID APERTURE ONTO SAID RECORDING MEMBER, AT LEAST ONE PAIR OF ELECTRODES AT SAID APERTURE, AND CIRCUIT MEANS TO SELECTIVELY APPLY A VOLTAGE BETWEEN SAID ELECTRODES TO OVERCOME SAID MAINTAINED PRESSURE AND INHIBIT THE FLOW OF SAID ELECTROVISCOUS LIQUID THERETHROUGH THEREBY FORMING A LIQUID PATTERN ON SAID IMAGE RECORDING MEMBER.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |