Patent US2914759A successfully refreshed from Google Patents.
US2914759A
Expired / Lapsed
US
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Data storage, read-out, and transfer apparatus
Assignee: Unisys Corp
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Filing: 1955-03-04
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Granted: 1959-11-24
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 William W Deighfon
- 👤 Gan George M Du
- 👤 Andreas G Markgraf
- 👤 Du Ray E Stromback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:56
CPC Classifications
H; H03; H03M; H03M11/00; H03M11/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643172A
Cited
US2092412A
Cited
US2733008A
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US835840A
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US1166517A
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US2095730A
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US2241548A
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US2606244A
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US2573581A
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FR1029462A
Cited
US2737648A
Cited
US2765116A
Cited
US2769968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |