Patent US3132969A successfully refreshed from Google Patents.
US3132969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrostatic printing and transferring printed information
Assignee: Unisys Corp
•
Filing: 1961-10-27
•
Granted: 1964-05-12
•
Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 David W Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:30
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/14; G03G15/16; G03G15/1665; G03G15/167; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR PRINTING ELECTROSTATICALLY AND TRANSFERRING THE PRINTED INFORMATION TO A RECORD MEDIUM COMPRISING: (A) AN ENDLESS HEAT CONDUCTIVE BAND OF CHARGE RETENTIVE MATERIAL CONSTITUTING A DIELECTRIC SURFACE, (B) ROLLERS MOUNTING SAID ENDLESS BAND AND OPERABLE TO ROTATE THE BAND IN A PATH OF OPERATION, (C) AN ELECTROSTATIC PRINTING DEVICE FOR PRINTING IN A SINGLE OPERATION ON SAID ENDLESS BAND AN ELECTROSTATIC CHARGE PATTERN REPRESENTATIVE OF INFORMATION, (D) MEANS FOR APPLYING ELECTRICALLY CONDUCTIVE THERMOADHESIVE INK PARTICLES TO SAID ELECTROSTATICALLY CHARGED PATTERN, (E) MEANS FOR HEATING ONE OF SAID ROLLERS EFFECTIVE AS A SOLE HEATING ELEMENT FOR RENDERING ADHESIVE THE INK PARTICLES ON SAID ELECTROSTATICALLY CHARGED PATTERN,
Claim 2
Dependent Claim
106 words
APPARATUS FOR PRINTING ELECTROSTATICALLY AND TRANSFERRING THE PRINTED INFORMATION TO A RECORD MEDIUM COMPRISING: (A) AN ENDLESS HEAT CONDUCTIVE BAND OF CHARGE RETENTIVE MATERIAL CONSTITUTING A DIELECTRIC SURFACE, (B) ROLLERS MOUNTING SAID ENDLESS BAND AND OPERABLE TO ROTATE THE BAND IN A PATH OF OPERATION, (C) AN ELECTROSTATIC PRINTING DEVICE FOR PRINTING IN A SINGLE OPERATION ON SAID ENDLESS BAND AN ELECTROSTATIC CHARGE PATTERN REPRESENTATIVE OF INFORMATION, (D) MEANS FOR APPLYING ELECTRICALLY CONDUCTIVE THERMOADHESIVE INK PARTICLES TO SAID ELECTROSTATICALLY CHARGED PATTERN, (E) MEANS FOR HEATING ONE OF SAID ROLLERS EFFECTIVE AS A SOLE HEATING ELEMENT FOR RENDERING ADHESIVE THE INK PARTICLES ON SAID ELECTROSTATICALLY CHARGED PATTERN,
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |