Patent US2165672A successfully refreshed from Google Patents.
US3071685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic recording head
Assignee: Unisys Corp
•
Filing: 1960-06-06
•
Granted: 1963-01-01
•
Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 Cecil R Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:58
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/385; B41J2/39; B41J2/395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ELECTROSTATIC RECORDING HEAD, COMPRISING A BODY OF INSULATING MATERIAL HAVING A FLAT RELATIVELY THIN EXTENSION AT ONE END AND A RELATIVELY THICK PORTION CONVERGING INTO SAID EXTENSION, A PANEL MOLDED INTO THE OUTER FACE OF SAID PORTION, A ROW OF TERMINALS EXTENDING THROUGH SAID PANEL BELOW A PLANE THROUGH SAID EXTENSION, A DOWEL OF DIELECTRIC MATERIAL EMBEDDED IN SAID BODY AT THE JUNCTION OF SAID PORTION AND SAID EXTENSION, AND A PLURALITY OF CONDUCTING WIRES EMBEDDED IN SAID BODY, EACH HAVING ONE END CONNECTED TO A SELECTED TERMINAL, AN INTERMEDIATE PORTION PASSING OVER SAID DOWEL, AND ITS OTHER END TERMINATING IN AN ARRAY OF ELECTRODES PROJECTING FROM THE END OF SAID EXTENSION.
Claim 2
Dependent Claim
113 words
AN ELECTROSTATIC RECORDING HEAD, COMPRISING A BODY OF INSULATING MATERIAL HAVING A FLAT RELATIVELY THIN EXTENSION AT ONE END AND A RELATIVELY THICK PORTION CONVERGING INTO SAID EXTENSION, A PANEL MOLDED INTO THE OUTER FACE OF SAID PORTION, A ROW OF TERMINALS EXTENDING THROUGH SAID PANEL BELOW A PLANE THROUGH SAID EXTENSION, A DOWEL OF DIELECTRIC MATERIAL EMBEDDED IN SAID BODY AT THE JUNCTION OF SAID PORTION AND SAID EXTENSION, AND A PLURALITY OF CONDUCTING WIRES EMBEDDED IN SAID BODY, EACH HAVING ONE END CONNECTED TO A SELECTED TERMINAL, AN INTERMEDIATE PORTION PASSING OVER SAID DOWEL, AND ITS OTHER END TERMINATING IN AN ARRAY OF ELECTRODES PROJECTING FROM THE END OF SAID EXTENSION.
References Cited (Backward Citations)
US2919171A
Cited
US2918580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |