US2994478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital computer with inherent shift
Assignee: Research Corp
•
Filing: 1954-03-05
•
Granted: 1961-08-01
•
Expires: 1974-03-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Sarahan
- 👤 Richard C Jeffrey
- 👤 John F Jacobs
- 👤 Rollin P Mayer
- 👤 Samuel L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:17
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/523; G06F7/527; G06F7/5272; G06F7/535; G06F2207/00; G06F2207/38; G06F2207/3804; G06F2207/3808; G06F2207/3832; G06F2207/3836; G06F2207/535; G06F2207/5352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404047A
Cited
US2679975A
Cited
US2672283A
Cited
US2685407A
Cited
US2776794A
Cited
US2635229A
Cited
US2686632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |