US3567344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating device for original of an electrophotographic duplicating machine
Assignee: Minolta Co Ltd
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Filing: 1969-02-12
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Granted: 1971-03-02
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Expires: 1989-02-12
Abstract
Abstract AN ILLUMINATING DEVICE FOR THE ORIGINAL IN AN ELECTROPHOTOGRAPHIC DUPLICATING MACHINE, WHICH SCANS AND PROJECTS AN IMAGE OF AN ORIGINAL, ILLUMINATED BY A LIGHT SOURCE ON A PHOTO-SENSITIVE PAPER, WHICH DEVICE CAUSES THE IMAGE TO BE UNIFORMLY BRIGHT. THE IMAGE IS FORMED LONGITUDINALLY ON AN EXPOSURE SLIT WHICH IS DISPOSED AT RIGHT ANGLES TO THE SCANNING DIRECTION.
Inventors
- 👤 Masaya Ogawa
- 👤 Yorio Yamanoi
- 👤 Isao Iizaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:02
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |