US2564698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft computer
Assignee: Unisys Corp
•
Filing: 1943-07-21
•
Granted: 1951-08-21
•
Expires: 1963-07-21
Abstract
No abstract record available.
Inventors
- 👤 Richard C Knowles
- 👤 Walter T White
- 👤 Jr Herbert Harris
- 👤 Edward J Nagy
- 👤 Jr Edmund B Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:23
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/14; F41G5/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1281703A
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US735497A
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US1869502A
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US1990577A
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US2235826A
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US2340865A
Cited
US2414108A
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US2433843A
Cited
US2423831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |