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US2909994A
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Assignee: International Business Machines Corp
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Filing: 1954-12-30
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Granted: 1959-10-27
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Frank J Furman
- 👤 Otto F Moneagle
- 👤 Robert V Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:35
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/22; B41J2/23; B41J2/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2686469A
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US1508532A
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US1932914A
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US2129065A
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US2438071A
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US2524127A
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US2648277A
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US2683410A
Cited
US2632386A
Cited
US2681614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |