US3137857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state light to electrostatic charge image transducer
Assignee: AB Dick Co
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Filing: 1960-04-05
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Granted: 1964-06-16
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Louis J Kabell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR FORMING AN ELECTROSTATIC CHARGE IMAGE OF A LIGHT IMAGE ON A DIELECTRIC WRITING MEDIUM COMPRISING PHOTODIODE MEANS HAVING A COMMON FIRST ELECTRODE, A PLURALITY OF SEPARATE SECOND ELECTRODES EACH HAVING MEANS DEFINING A WRITING SURFACE AT ONE END THEREOF, MEANS FORMING A PLURALITY OF SEPARATE JUNCTIONS BETWEEN OPPOSITE ENDS OF EACH OF SAID SECOND ELECTRODES AND SAID COMMON FIRST ELECTRODE, THE REGION OF EACH SAID PLURALITY OF SEPARATE JUNCTIONS CONSTITUTING A LIGHT-SENSITIVE AREA, A
Claim 2
Dependent Claim
76 words
APPARATUS FOR FORMING AN ELECTROSTATIC CHARGE IMAGE OF A LIGHT IMAGE ON A DIELECTRIC WRITING MEDIUM COMPRISING PHOTODIODE MEANS HAVING A COMMON FIRST ELECTRODE, A PLURALITY OF SEPARATE SECOND ELECTRODES EACH HAVING MEANS DEFINING A WRITING SURFACE AT ONE END THEREOF, MEANS FORMING A PLURALITY OF SEPARATE JUNCTIONS BETWEEN OPPOSITE ENDS OF EACH OF SAID SECOND ELECTRODES AND SAID COMMON FIRST ELECTRODE, THE REGION OF EACH SAID PLURALITY OF SEPARATE JUNCTIONS CONSTITUTING A LIGHT-SENSITIVE AREA, A
References Cited (Backward Citations)
US2764693A
Cited
US2794863A
Cited
US2776367A
Cited
US2890923A
Cited
US2932548A
Cited
US2925310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |