Patent US2458339A successfully refreshed from Google Patents.
US2458339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine adapted for typing chinese ideographs
Assignee: International Business Machines Corp
•
Filing: 1946-05-03
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Granted: 1949-01-04
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Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 Buhler Eugen
- 👤 Christopher A Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/01
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |