US2711481A
Expired / Lapsed
US
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Xeroradiography method and device
Assignee: Xerox Corp
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Filing: 1954-06-09
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Granted: 1955-06-21
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Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Michael D Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:10
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/26; Y; Y10; Y10S; Y10S430/00; Y10S430/167; Y10S430/168
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
XERORADIOGRAPHIC APPARATUS FOR THE CREATION OF XERORADIOGRAPH ON THE SURFACE OF A XERORADIOGRAPHIC PLATE COMPRISING A NORMALLY ISULATING LAYER OVERLYING A CONDUCTIVE MEMBER, SAID APPARATUS COMPRISING A COMPARTMENT, MEANS TO SUPPORT A XERORADIOGRAPHIC PLATE, THE PLATE SUPPORT MEANS DIPOSED TO POSITION A PLATE ON SAID COMPARTMENT WITH THE NORMALLY INSULATING LAYER OF THE PLATE FACING INWARDLY TO SAID COMPARTMENT, CHARGING MEANS TO SENSTIZE AND PLATE BY DEPOSITING ON THE SURFACE OF THE NORMALLY INSULATING LAYER A UNIFORM ELECTROSTATIC CHARGE, A CLOUD STORING AREA ADJOINING SAID COMPARTMENT, MEANS TO SEPERATE SAID COMPARTMENT AND SAID CLOUD STORING AREA, MEANS TO SUPPLY A CLOUD OF DEVELOPER PARTICLES TO SAID COMPARTMENT FOR DEVELOPMENT PURPOSES, AND MEANS TO KEEP SAID COMPARTMENT FREE OF DEVELOPER PARTICLES AT ALL TIMES OTHER THAN DURING DEVELOPMENT OF AN IMAGE ON THE PLATE.
Claim 2
Dependent Claim
133 words
XERORADIOGRAPHIC APPARATUS FOR THE CREATION OF XERORADIOGRAPH ON THE SURFACE OF A XERORADIOGRAPHIC PLATE COMPRISING A NORMALLY ISULATING LAYER OVERLYING A CONDUCTIVE MEMBER, SAID APPARATUS COMPRISING A COMPARTMENT, MEANS TO SUPPORT A XERORADIOGRAPHIC PLATE, THE PLATE SUPPORT MEANS DIPOSED TO POSITION A PLATE ON SAID COMPARTMENT WITH THE NORMALLY INSULATING LAYER OF THE PLATE FACING INWARDLY TO SAID COMPARTMENT, CHARGING MEANS TO SENSTIZE AND PLATE BY DEPOSITING ON THE SURFACE OF THE NORMALLY INSULATING LAYER A UNIFORM ELECTROSTATIC CHARGE, A CLOUD STORING AREA ADJOINING SAID COMPARTMENT, MEANS TO SEPERATE SAID COMPARTMENT AND SAID CLOUD STORING AREA, MEANS TO SUPPLY A CLOUD OF DEVELOPER PARTICLES TO SAID COMPARTMENT FOR DEVELOPMENT PURPOSES, AND MEANS TO KEEP SAID COMPARTMENT FREE OF DEVELOPER PARTICLES AT ALL TIMES OTHER THAN DURING DEVELOPMENT OF AN IMAGE ON THE PLATE.
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) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |