Patent US3282177A successfully refreshed from Google Patents.
US3282177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic apparatus
Assignee: Harris Graphics Corp
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Filing: 1964-02-24
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Granted: 1966-11-01
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR REPRODUCING AN ORIGINAL ON AN ELECTROPHOTOGRAPHIC SHEET COMPRISING FEED MEANS TO ADVANCE A SHEET ALONG A GENERALLY HORIZONTAL PATH, CHARGER MEANS DISPOSED BELOW SAID FEED MEANS TO RECEIVE THE SHEET FOR DEPOSITING AN ELECTROSTATIC CHARGE THEREON, SAID CHARGER MEANS INCLUDING SPACED CORONA CHARGING UNITS FOR DEPOSITING A CHARGE ON EACH SIDE OF THE SHEET, EXPOSURE FRAME MEANS POSITIONED IN SHEET RECEIVING RELATION BELOW SAID CHARGER MEANS HORIZONTALLY DISPOSED OBJECT PLANE MEANS LATERALLY AND VERTICALLY SPACED ABOVE SAID EXPOSURE FRAME MEANS, MEANS DEFINING A LIGHT PATH BETWEEN SAID OBJECT PLANE MEANS AND SAID EXPOSURE FRAME MEANS FOR ONESHOT EXPOSURE OF A CHARGED SHEET TO THE REFLECTED LIGHT IMAGE OF AN ORGINAL TO BE REPRODUCED, DEVELOPING MEANS POSITIONED IN SHEET RECEIVING RELATION BELOW SAID EXPOSURE
Claim 2
Dependent Claim
125 words
APPARATUS FOR REPRODUCING AN ORIGINAL ON AN ELECTROPHOTOGRAPHIC SHEET COMPRISING FEED MEANS TO ADVANCE A SHEET ALONG A GENERALLY HORIZONTAL PATH, CHARGER MEANS DISPOSED BELOW SAID FEED MEANS TO RECEIVE THE SHEET FOR DEPOSITING AN ELECTROSTATIC CHARGE THEREON, SAID CHARGER MEANS INCLUDING SPACED CORONA CHARGING UNITS FOR DEPOSITING A CHARGE ON EACH SIDE OF THE SHEET, EXPOSURE FRAME MEANS POSITIONED IN SHEET RECEIVING RELATION BELOW SAID CHARGER MEANS HORIZONTALLY DISPOSED OBJECT PLANE MEANS LATERALLY AND VERTICALLY SPACED ABOVE SAID EXPOSURE FRAME MEANS, MEANS DEFINING A LIGHT PATH BETWEEN SAID OBJECT PLANE MEANS AND SAID EXPOSURE FRAME MEANS FOR ONESHOT EXPOSURE OF A CHARGED SHEET TO THE REFLECTED LIGHT IMAGE OF AN ORGINAL TO BE REPRODUCED, DEVELOPING MEANS POSITIONED IN SHEET RECEIVING RELATION BELOW SAID EXPOSURE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |