US2907254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record card controlled electrographic printer
Assignee: International Business Machines Corp
•
Filing: 1955-12-29
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Granted: 1959-10-06
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Expires: 1975-12-29
Abstract
No abstract record available.
Inventors
- 👤 Martin J Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:21
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/36; G03G15/22; G03G15/28; G03G15/30; G06; G06K; G06K15/00; G06K15/02; G06K15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919433A
Cited
US2172330A
Cited
US2357809A
Cited
US2602544A
Cited
US2659670A
Cited
US2641997A
Cited
US2807233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |