US3223008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic apparatus
Assignee: Harris Corp
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Filing: 1962-11-30
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Granted: 1965-12-14
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Hunstiger Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:11
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN AN ELECTROPHOTOGRAPHIC APPARATUS FOR PRODUCING COPIES OF AN ORIGINAL WHEREIN A WEB OF ELECTROPHOTOGRAPHIC PAPER IS FED SEQUENTIALLY THROUGH A CHARGING STATION, AN EXPOSING STATION AND A DEVELOPING STATION TO FORM ON SAID WEB A SERIES OF DEVELOPED IMAGES, AND WHEREIN THE EXPOSING STATION INCLUDES A FLASHING LIGHT SOURCE FOR EXPOSING SAID MOVING WEB TO A LIGHT IMAGE TO BE REPRODUCED, THE IMPROVEMENT COMPRISING, MEANS TO ADVANCE SAID WEB CONTINUOUSLY THROUGH SAID STATIONS, MEANS TO ENERGIZE SAID FLASHING LIGHT SOURCE FOR EXPOSURE OF SAID WEB TO AN IMAGE TO BE REPRODUCED, AND SAID FLASH ENERGIZING MEANS INCLUDING FLASH CONTROL MEANS COOPERATIVELY ASSOCIATED WITH SAID WEB ADVANCING MEANS FOR FORMING A SERIES OF IMAGES AND FOR VARYING THE NUMBER OF FLASH EXPOSURES FOR A GIVEN LENGTH OF WEB WHEREBY SUCCESSIVE IMAGES OF ONE SERIES MAY BE SPACED A UNIFORM PREDETERMINED DISTANCE APART AND THE SUCCESSIVE IMAGES OF ANOTHER SERIES MAY BE SPACED APART A UNIFORM DISTANCE DIFFERENT FROM THE SPACING OF SAID ONE SERIES.
Claim 2
Dependent Claim
164 words
IN AN ELECTROPHOTOGRAPHIC APPARATUS FOR PRODUCING COPIES OF AN ORIGINAL WHEREIN A WEB OF ELECTROPHOTOGRAPHIC PAPER IS FED SEQUENTIALLY THROUGH A CHARGING STATION, AN EXPOSING STATION AND A DEVELOPING STATION TO FORM ON SAID WEB A SERIES OF DEVELOPED IMAGES, AND WHEREIN THE EXPOSING STATION INCLUDES A FLASHING LIGHT SOURCE FOR EXPOSING SAID MOVING WEB TO A LIGHT IMAGE TO BE REPRODUCED, THE IMPROVEMENT COMPRISING, MEANS TO ADVANCE SAID WEB CONTINUOUSLY THROUGH SAID STATIONS, MEANS TO ENERGIZE SAID FLASHING LIGHT SOURCE FOR EXPOSURE OF SAID WEB TO AN IMAGE TO BE REPRODUCED, AND SAID FLASH ENERGIZING MEANS INCLUDING FLASH CONTROL MEANS COOPERATIVELY ASSOCIATED WITH SAID WEB ADVANCING MEANS FOR FORMING A SERIES OF IMAGES AND FOR VARYING THE NUMBER OF FLASH EXPOSURES FOR A GIVEN LENGTH OF WEB WHEREBY SUCCESSIVE IMAGES OF ONE SERIES MAY BE SPACED A UNIFORM PREDETERMINED DISTANCE APART AND THE SUCCESSIVE IMAGES OF ANOTHER SERIES MAY BE SPACED APART A UNIFORM DISTANCE DIFFERENT FROM THE SPACING OF SAID ONE SERIES.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |