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US3000555A
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Assignee: Unisys Corp
•
Filing: 1955-03-04
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Granted: 1961-09-19
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Frank T Innes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:16
CPC Classifications
G; G06; G06F; G06F15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643172A
Cited
US2493858A
Cited
US2434500A
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US2516013A
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US2604262A
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US2657856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |