Patent US2661683A successfully refreshed from Google Patents.
US2661683A
Expired / Lapsed
US
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High speed printing mechanism
Assignee: International Business Machines Corp
•
Filing: 1948-02-17
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Granted: 1953-12-08
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Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Horace S Beattie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:32
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US393259A
Cited
US420692A
Cited
US435654A
Cited
US442021A
Cited
US446719A
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US723567A
Cited
US939965A
Cited
US1139689A
Cited
DE555009C
Cited
US1997167A
Cited
US2036024A
Cited
US2090920A
Cited
US2076717A
Cited
US2181996A
Cited
US2381862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |