US3028683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor fixing unit for electrostatic printing
Assignee: Magnefax Corp
•
Filing: 1958-03-24
•
Granted: 1962-04-10
•
Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Teiser Sidney
- 👤 Walter R Sassaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:12
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2096
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US303069A
Cited
US366421A
Cited
US557043A
Cited
US950689A
Cited
US1082399A
Cited
US1203646A
Cited
US1954577A
Cited
US2214425A
Cited
US2776907A
Cited
US2684301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |