US3247825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet diaphragm electrostatic printer
Assignee: International Business Machines Corp
•
Filing: 1963-04-23
•
Granted: 1966-04-26
•
Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Reynold B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:26
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/101; G03G15/102; G03G15/14; G03G15/22; G03G15/32; G03G15/321; G03G21/00; G03G21/0088; G03G9/00; G03G9/08; G03G9/12; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ELECTROSTATIC PRINTER COMPRISING: A THIN, POROUS INSULATOR BELT OF NON-WETTABLE MATERIAL, MEANS FOR APPLYING POLARIZED INK TO ONE SIDE OF SAID INSULATOR BELT, MEANS FOR CAUSING SAID POLARIZED INK TO BE SELECTIVELY DRAWN THROUGH SAID INSULATOR BELT TO THE OTHER SIDE THEREOF, A PRINT MEMBER, AND MEANS FOR BRINGING SAID PRINT MEMBER IN PRINTING CONTACT WITH SAID OTHER SIDE OF SAID INSULATOR BELT.
Claim 2
Dependent Claim
64 words
AN ELECTROSTATIC PRINTER COMPRISING: A THIN, POROUS INSULATOR BELT OF NON-WETTABLE MATERIAL, MEANS FOR APPLYING POLARIZED INK TO ONE SIDE OF SAID INSULATOR BELT, MEANS FOR CAUSING SAID POLARIZED INK TO BE SELECTIVELY DRAWN THROUGH SAID INSULATOR BELT TO THE OTHER SIDE THEREOF, A PRINT MEMBER, AND MEANS FOR BRINGING SAID PRINT MEMBER IN PRINTING CONTACT WITH SAID OTHER SIDE OF SAID INSULATOR BELT.
References Cited (Backward Citations)
US2633796A
Cited
US2520504A
Cited
US2558900A
Cited
US2558901A
Cited
US2483462A
Cited
US2583375A
Cited
US2777745A
Cited
US2758524A
Cited
US2758525A
Cited
US2832511A
Cited
US2932690A
Cited
US2932548A
Cited
US3045644A
Cited
US3102045A
Cited
US3096198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |