Patent US3804764A successfully refreshed from Google Patents.
US3804764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatographic pressure sensitive polymeric toner
Assignee: Xerox Corp
•
Filing: 1971-12-30
•
Granted: 1974-04-16
•
Expires: 1991-12-30
Abstract
Abstract A PRESSURE FIXABLE TONER COMPRISED OF A WEAKLY CROSSLINKED POLYMER THE CROSSLINK BONDS OF WHICH ARE DISRUPTED AND/OR BROKEN BY THE APPLICATION OF PRESSURE WHEREBY THE POLYMER IS SUFFICIENTLY SOFT TO BE FIXED BY PRESSURE.
Inventors
- 👤 S Strella
- 👤 M Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:50
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08784; G03G9/08793; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |