US3085154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing apparatus
Assignee: KELSH INSTR Co Inc
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Filing: 1960-02-23
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Granted: 1963-04-09
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Harry T Kelsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:43
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/323
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PHOTOGRAPHIC PROJECTION PRINTER COMPRISING A PHOSPHOR PLATE CAPABLE OF BEING EXCITED TO LUMINESCENCE BY ULTRA VIOLET RADIATION, MEANS FOR SUPPORTING THE PLATE AND EXPOSING ONE SIDE OF IT TO ULTRA VIOLET RADIATION, MEANS FOR BRINGING INTO DIRECT CONTACT WITH THE OPPOSITE SIDE OF THE PLATE A FILM HAVING AREAS OF VARYING LIGHT TRANSMISSION DEFINING A PHOTOGRAPHED IMAGE, MEANS FOR SUPPORTING A PHOTOGRAPHIC LIGHT SENSITIVE PLATE ON SAID OPPOSITE SIDE IN A PLANE SPACED FROM SAID FILM, A LENS BETWEEN SAID FILM AND SAID PLANE FOR RECEIVING LIGHT FROM SAID PHOSPHOR PLATE AND PROJECTING IT TO SAID PLANE, AND MEANS FOR EXPOSING THE SAID OPPOSITE SIDE OF THE PHOSPHOR
Claim 2
Dependent Claim
109 words
A PHOTOGRAPHIC PROJECTION PRINTER COMPRISING A PHOSPHOR PLATE CAPABLE OF BEING EXCITED TO LUMINESCENCE BY ULTRA VIOLET RADIATION, MEANS FOR SUPPORTING THE PLATE AND EXPOSING ONE SIDE OF IT TO ULTRA VIOLET RADIATION, MEANS FOR BRINGING INTO DIRECT CONTACT WITH THE OPPOSITE SIDE OF THE PLATE A FILM HAVING AREAS OF VARYING LIGHT TRANSMISSION DEFINING A PHOTOGRAPHED IMAGE, MEANS FOR SUPPORTING A PHOTOGRAPHIC LIGHT SENSITIVE PLATE ON SAID OPPOSITE SIDE IN A PLANE SPACED FROM SAID FILM, A LENS BETWEEN SAID FILM AND SAID PLANE FOR RECEIVING LIGHT FROM SAID PHOSPHOR PLATE AND PROJECTING IT TO SAID PLANE, AND MEANS FOR EXPOSING THE SAID OPPOSITE SIDE OF THE PHOSPHOR
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |