Patent US3638243A successfully refreshed from Google Patents.
Patent US2654539A successfully refreshed from Google Patents.
US2654539A
Expired / Lapsed
US
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Ordinally-selective key-responsive cycle initiating mechanism
Assignee: NCR Voyix Corp
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Filing: 1948-08-30
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Granted: 1953-10-06
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Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 Damon P Brubaker
- 👤 Fred E Woodley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
G; G06; G06C; G06C23/00; G06C23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1849169A
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US2117620A
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US2396188A
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US2552789A
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US1136725A
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US1853050A
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US1808213A
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US1877802A
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US2121683A
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US2311354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |