Patent US2995726A successfully refreshed from Google Patents.
US2995726A
Expired / Lapsed
US
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Remote input unit for data processing system
Assignee: International Business Machines Corp
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Filing: 1958-08-29
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Granted: 1961-08-08
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Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 La Verne E Rickard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:23
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1932909A
Cited
US2115537A
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US2186436A
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US2341983A
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US2576892A
Cited
DE835073C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |