US3330180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illumination control system
Assignee: Xerox Corp
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Filing: 1964-10-14
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Granted: 1967-07-11
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Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Ferguson
- 👤 Karl A Northrup
- 👤 Larry H Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:29
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/542; G03G; G03G15/00; G03G15/04; G03G15/04036; G03G15/22; G03G15/28; G03G15/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN AN ILLUMINATION SYSTEM FOR A REPRODUCTION APPARATUS HAVING AT LEAST ONE LAMP FOR ILLUMINATING DOCUMENTS DURING SCANNING THEREOF AND MEANS FOR PROJECTING THE IMAGE RAYS THEREFROM UPON A LIGHT SENSITIVE SURFACE: MEANS DEFINING A CHAMBER FOR ENCLOSING THE LAMP, FIRST BLOWER MEANS FOR CONVEYOR AIR INTO SAID CHAMBER, MEANS FOR HEATING THE AIR BEING CONVEYED BEFORE THE COMMENCEMENT OF THE SCANNING OF THE DOCUMENT, SECOND BLOWER MEANS ARRANGED TO CONVEY AIR TO AND UPON A PREDETERMINED AREA ON THE LAMP FOR COOLING THE LAMPS THEREBY,
Claim 2
Dependent Claim
86 words
IN AN ILLUMINATION SYSTEM FOR A REPRODUCTION APPARATUS HAVING AT LEAST ONE LAMP FOR ILLUMINATING DOCUMENTS DURING SCANNING THEREOF AND MEANS FOR PROJECTING THE IMAGE RAYS THEREFROM UPON A LIGHT SENSITIVE SURFACE: MEANS DEFINING A CHAMBER FOR ENCLOSING THE LAMP, FIRST BLOWER MEANS FOR CONVEYOR AIR INTO SAID CHAMBER, MEANS FOR HEATING THE AIR BEING CONVEYED BEFORE THE COMMENCEMENT OF THE SCANNING OF THE DOCUMENT, SECOND BLOWER MEANS ARRANGED TO CONVEY AIR TO AND UPON A PREDETERMINED AREA ON THE LAMP FOR COOLING THE LAMPS THEREBY,
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |