US2953470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electrostatic printing
Assignee: NCR Voyix Corp
•
Filing: 1957-06-27
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Granted: 1960-09-20
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Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Barrett K Green
- 👤 Schleicher Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:24
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G7/00; G03G9/00; G03G9/08; G03G9/093; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A METHOD OF PRINTING ON A RECORD MEMBER COMPRISING THE STEPS OF APPLYING CHARGES IN THE SHAPE OF THE MARKS TO BE PRINTED TO A DIELECTRIC MEMBER, MIXING MICROSCOPIC ENCAPSULATED MARKING MATERIAL WITH CHARGEFORMING MATERIAL TO PRODUCE A TRIBOELECTRIC CHARGE ON THE MARKING MATERIAL OPPOSITE IN SIGN TO THE CHARGES ON THE DIELECTRIC MEMBER, DEPOSITING THE MARKING MATERIAL ON ONE SURFACE OF THE DIELECTRIC MATERIAL, THE MARKING MATERIAL BEING ATTRACTED TO SAID SURFACE AND ADHERING TO THE DIELECTRIC MEMBER IN THE AREAS OF THE APPLIED CHARGES, SOLELY BY THE ELECTROSTATIC FORCE BETWEEN SAID MAKING MATERIAL AND SAID DIELECTRIC MEMBER, PLACING THE RECORD MEMBER TO BE MARKED ADJACENT THE MARKING-MATERIALBEARING SURFACE OF THE DIELECTRIC MEMBER, AND APPLYING PRESSURE TO THE SUPERIMPOSED RECORD MEMBER AND DIELECTRIC MEMBER TO CAUSE THE MARKING MATERIAL TO BE EXPRESSED FROM THE CAPSULES ADHERING TO THE DIELECTRIC MEMBER AND TRANSFERRED TO THE RECORD MEMBER TO MARK THE RECORD MEMBER IN A PATTERN CORRESPONDING TO THE PATTERN OF THE CHARGES APPLIED TO THE DIELECTRIC MEMBER.
Claim 2
Independent Claim
167 words
A METHOD OF PRINTING ON A RECORD MEMBER COMPRISING THE STEPS OF APPLYING CHARGES IN THE SHAPE OF THE MARKS TO BE PRINTED TO A DIELECTRIC MEMBER, MIXING MICROSCOPIC ENCAPSULATED MARKING MATERIAL WITH CHARGEFORMING MATERIAL TO PRODUCE A TRIBOELECTRIC CHARGE ON THE MARKING MATERIAL OPPOSITE IN SIGN TO THE CHARGES ON THE DIELECTRIC MEMBER, DEPOSITING THE MARKING MATERIAL ON ONE SURFACE OF THE DIELECTRIC MATERIAL, THE MARKING MATERIAL BEING ATTRACTED TO SAID SURFACE AND ADHERING TO THE DIELECTRIC MEMBER IN THE AREAS OF THE APPLIED CHARGES, SOLELY BY THE ELECTROSTATIC FORCE BETWEEN SAID MAKING MATERIAL AND SAID DIELECTRIC MEMBER, PLACING THE RECORD MEMBER TO BE MARKED ADJACENT THE MARKING-MATERIALBEARING SURFACE OF THE DIELECTRIC MEMBER, AND APPLYING PRESSURE TO THE SUPERIMPOSED RECORD MEMBER AND DIELECTRIC MEMBER TO CAUSE THE MARKING MATERIAL TO BE EXPRESSED FROM THE CAPSULES ADHERING TO THE DIELECTRIC MEMBER AND TRANSFERRED TO THE RECORD MEMBER TO MARK THE RECORD MEMBER IN A PATTERN CORRESPONDING TO THE PATTERN OF THE CHARGES APPLIED TO THE DIELECTRIC MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |