Patent US2598523A successfully refreshed from Google Patents.
US2598523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data writing machine
Assignee: Scriptomatic Inc
•
Filing: 1948-10-05
•
Granted: 1952-05-27
•
Expires: 1968-10-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Federwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:22
CPC Classifications
B; B41; B41L; B41L11/00; B41P; B41P2700/00; B41P2700/10; B41P2700/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US259789A
Cited
US1551276A
Cited
US1274831A
Cited
US1302803A
Cited
US2067289A
Cited
US2088175A
Cited
US2216591A
Cited
US2398832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |