US2714850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon feed devices
Assignee: International Business Machines Corp
•
Filing: 1953-12-24
•
Granted: 1955-08-09
•
Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Harold J Kistner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:44
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/34; B41J33/40; B41J33/44; B41J33/51; B41J33/518
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297961A
Cited
US1954834A
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US2411723A
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US2475336A
Cited
US2485254A
Cited
US2592706A
Cited
US2665079A
Cited
US2672092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |