Patent US2855584A successfully refreshed from Google Patents.
US2855584A
Expired / Lapsed
US
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Operating controls for electronic compouters
Assignee: Monroe Calculating Machine Co
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Filing: 1951-11-09
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Granted: 1958-10-07
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Expires: 1971-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph F Mccarroll
- 👤 William H Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:05
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/023; G06F3/0232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2527567A
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US2502360A
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US2617704A
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US2540654A
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US2587532A
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US2528394A
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US2604262A
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US2614169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |