US2655598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal processing apparatus
Assignee: Eckert Mauchly Computer Corp
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Filing: 1950-10-21
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Granted: 1953-10-13
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Expires: 1970-10-21
Abstract
No abstract record available.
Inventors
- 👤 Jr John Presper Eckert
- 👤 John W Mauchly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:19
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/5016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2464353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |