US3731358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll for pressure fusing toner at elevated temperatures
Assignee: AB Dick Co
•
Filing: 1971-05-20
•
Granted: 1973-05-08
•
Expires: 1991-05-20
Abstract
Abstract A silicone rubber roll for pressure fusing of electrostatically produced and toned images at elevated temperatures. The roll inherently prevents offset of the image by supplying a release material to the surface of the roll. When the release material is depleted the roll can be restored by impregnation with silicone oil.
Inventors
- 👤 K Artl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:22
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2053; G03G15/2057
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
The roll as defined in claim 1 wherein said silicone oil is a dimethyl polysiloxane.
References Cited (Backward Citations)
US2639519A
Cited
US3225419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |