Patent US3074313A successfully refreshed from Google Patents.
US3074313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocopier apparatus
Assignee: RCA Corp
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Filing: 1960-12-27
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Granted: 1963-01-22
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Charles J Young
- 👤 Knut J Magnusson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:16
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/542
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN REFLECTION COPIER APPARATUS INCLUDING MEANS FOR SUPPORTING SUBJECT MATTER TO BE COPIED AT AN EXPOSURE STATION AND MEANS FOR PROJECTING A REFLECTED IMAGE OF SAID SUBJECT MATTER ONTO A PHOTOSENSITIVE SURFACE, THE COMBINATION COMPRISING AT LEAST ONE LIGHT LAMP INCLUDING AN ENVELOPE AND A FINITE LIGHT SOURCE THEREIN FOR ILLUMINATING SAID SUBJECT MATTER, SAID ENVELOPE HAVING AT LEAST ONE PORTION FORMING A FINITE SOURCE OF REFLECTED LIGHT, AND A PLURALITY OF LIGHT BAFFLES INTERPOSED IN THE LIGHT PATH BETWEEN SAID LAMP AND SAID EXPOSURE STATION, ONE OF SAID LIGHT BAFFLES BEING INTERPOSED BETWEEN SAID LIGHT SOURCE OF SAID LAMP AND SAID EXPOSURE STATION AND HAVING AN OPAQUE CENTER PORTION AND GRADUALLY INCREASED LIGHT TRANSMISSIVITY OUTWARDLY FROM SAID CENTER PORTION, AND AT LEAST ONE OTHER OF SAID LIGHT BAFFLES BEING DISPOSED TO INTERCEPT BRIGHT LIGHT REFLECTED FROM THE ENVELOPE OF SAID LAMP, MOUNTING MEANS POSITIONING SAID OTHER BAFFLE BETWEEN SAID PORTION OF SAID ENVELOPE AND SAID EXPOSURE STATION AND ADJUSTING MEANS COOPERATING WITH SAID MOUNTING MEANS FOR ACCURATELY LOCATING SAID OTHER BAFFLE BETWEEN SAID FINITE SOURCE OF REFLECTED LIGHT AND SAID EXPOSURE STATION.
Claim 2
Dependent Claim
183 words
IN REFLECTION COPIER APPARATUS INCLUDING MEANS FOR SUPPORTING SUBJECT MATTER TO BE COPIED AT AN EXPOSURE STATION AND MEANS FOR PROJECTING A REFLECTED IMAGE OF SAID SUBJECT MATTER ONTO A PHOTOSENSITIVE SURFACE, THE COMBINATION COMPRISING AT LEAST ONE LIGHT LAMP INCLUDING AN ENVELOPE AND A FINITE LIGHT SOURCE THEREIN FOR ILLUMINATING SAID SUBJECT MATTER, SAID ENVELOPE HAVING AT LEAST ONE PORTION FORMING A FINITE SOURCE OF REFLECTED LIGHT, AND A PLURALITY OF LIGHT BAFFLES INTERPOSED IN THE LIGHT PATH BETWEEN SAID LAMP AND SAID EXPOSURE STATION, ONE OF SAID LIGHT BAFFLES BEING INTERPOSED BETWEEN SAID LIGHT SOURCE OF SAID LAMP AND SAID EXPOSURE STATION AND HAVING AN OPAQUE CENTER PORTION AND GRADUALLY INCREASED LIGHT TRANSMISSIVITY OUTWARDLY FROM SAID CENTER PORTION, AND AT LEAST ONE OTHER OF SAID LIGHT BAFFLES BEING DISPOSED TO INTERCEPT BRIGHT LIGHT REFLECTED FROM THE ENVELOPE OF SAID LAMP, MOUNTING MEANS POSITIONING SAID OTHER BAFFLE BETWEEN SAID PORTION OF SAID ENVELOPE AND SAID EXPOSURE STATION AND ADJUSTING MEANS COOPERATING WITH SAID MOUNTING MEANS FOR ACCURATELY LOCATING SAID OTHER BAFFLE BETWEEN SAID FINITE SOURCE OF REFLECTED LIGHT AND SAID EXPOSURE STATION.
References Cited (Backward Citations)
US413611A
Cited
US2356694A
Cited
US1617292A
Cited
US1826664A
Cited
US2141139A
Cited
US2686452A
Cited
FR1021016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |