Patent US3334543A successfully refreshed from Google Patents.
US3334543A
Expired / Lapsed
US
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Apparatus for the production of photographic copies
Assignee: Pentacon GmbH Foto und Feinwerktechnik
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Filing: 1965-02-08
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Granted: 1967-08-08
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Perner Johann
- 👤 Donath Claus
- 👤 Hainy Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:23
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN APPARATUS FOR MAKING PHOTOGRAPHIC COPIES AND ENLARGEMENTS COMPRISING: (A) AN ULTRA-VIOLET HIGH PRESSURE MERCURY VAPOUR LAMP MOUNTED TRANSVERSELY TO THE OPTICAL AXIS OF THE APPARATUS AND ADJUSTABLE ALONG SAID AXIS, (B) A CONDENSER PERMEABLE TO ULTRA-VIOLET LIGHT IN A RANGE OF BETWEEN 300 TO 400 NANOMETRES, COMPRISING A FIRST LENS SYSTEM FOR TRANSFORMING A DIVERGING BEAM OF LIGHT FROM THE LAMP INTO A BEAM PARALLEL WITH THE OPTICAL AXIS OF THE APPARATUS AND A SECOND LENS SYSTEM, SEPARATED FROM THE FIRST LENS SYSTEM BY AN AIRGAP, FOR TRANSFORMING SAID PARALLEL BEAM OF LIGHT INTO A CONVERGING BEAM OF LIGHT, (C) A PROJECTION LENS, PERMEABLE TO ULTRA-VIOLET LIGHT IN A RANGE OF BETWEEN 300 TO 400 NANOMETRES, ARRANGED TO RECEIVE THE CONVERGING BEAM OF LIGHT FROM THE CONDENSER, WHICH LENS IS MOVABLE IN RELATION TO THE CONDENSER ALONG THE OPTICAL AXIS SO THAT FOCAL SPOT
Claim 2
Independent Claim
145 words
AN APPARATUS FOR MAKING PHOTOGRAPHIC COPIES AND ENLARGEMENTS COMPRISING: (A) AN ULTRA-VIOLET HIGH PRESSURE MERCURY VAPOUR LAMP MOUNTED TRANSVERSELY TO THE OPTICAL AXIS OF THE APPARATUS AND ADJUSTABLE ALONG SAID AXIS, (B) A CONDENSER PERMEABLE TO ULTRA-VIOLET LIGHT IN A RANGE OF BETWEEN 300 TO 400 NANOMETRES, COMPRISING A FIRST LENS SYSTEM FOR TRANSFORMING A DIVERGING BEAM OF LIGHT FROM THE LAMP INTO A BEAM PARALLEL WITH THE OPTICAL AXIS OF THE APPARATUS AND A SECOND LENS SYSTEM, SEPARATED FROM THE FIRST LENS SYSTEM BY AN AIRGAP, FOR TRANSFORMING SAID PARALLEL BEAM OF LIGHT INTO A CONVERGING BEAM OF LIGHT, (C) A PROJECTION LENS, PERMEABLE TO ULTRA-VIOLET LIGHT IN A RANGE OF BETWEEN 300 TO 400 NANOMETRES, ARRANGED TO RECEIVE THE CONVERGING BEAM OF LIGHT FROM THE CONDENSER, WHICH LENS IS MOVABLE IN RELATION TO THE CONDENSER ALONG THE OPTICAL AXIS SO THAT FOCAL SPOT
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |