US3274565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical-photoconductive reproducer utilizing insulative liquids
Assignee: RCA Corp
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Filing: 1961-05-01
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Granted: 1966-09-20
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Paul E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0644; G03G5/0661; G03G5/022; G03G5/0601; G03G5/0609; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06144; G03G5/0618
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IMAGE REPRODUCTION APPARATUS COMPRISING A SUBSTANTIALLY TRANSPARENT ELONGATED LAYER OF PHOTOCONDUCTIVE INSULATING MATERIAL, MEANS FOR TRANSPORTING SAID LAYER ALONG A PREDETERMINED PATH, MEANS ADJACENT SAID PATH FOR APPLYING INSULATING LIQUID TO SAID LAYER AS A THIN FILM, CORONA GENERATING MEANS FOR PRODUCING A SUBSTANTIALLY UNIFORM ELECTROSTATIC CHARGE ON SAID LAYER, MEANS FOR PROJECTING A LIGHT IMAGE ONTO SAID LAYER TO PRODUCE THEREON A LATENT ELECTROSTATIC IMAGE, AND SCHLIEREN OPTIC MEANS FOR ILLUMINATING SAID LAYER TO CONVERT THE SURFACE MODULATED IMAGE FORMED BY SAID LATENT ELECTROSTATIC IMAGE INTO A PROJECTED LIGHT IMAGE.
Claim 2
Dependent Claim
91 words
IMAGE REPRODUCTION APPARATUS COMPRISING A SUBSTANTIALLY TRANSPARENT ELONGATED LAYER OF PHOTOCONDUCTIVE INSULATING MATERIAL, MEANS FOR TRANSPORTING SAID LAYER ALONG A PREDETERMINED PATH, MEANS ADJACENT SAID PATH FOR APPLYING INSULATING LIQUID TO SAID LAYER AS A THIN FILM, CORONA GENERATING MEANS FOR PRODUCING A SUBSTANTIALLY UNIFORM ELECTROSTATIC CHARGE ON SAID LAYER, MEANS FOR PROJECTING A LIGHT IMAGE ONTO SAID LAYER TO PRODUCE THEREON A LATENT ELECTROSTATIC IMAGE, AND SCHLIEREN OPTIC MEANS FOR ILLUMINATING SAID LAYER TO CONVERT THE SURFACE MODULATED IMAGE FORMED BY SAID LATENT ELECTROSTATIC IMAGE INTO A PROJECTED LIGHT IMAGE.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |