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US2455394A
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Assignee: Unisys Corp
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Filing: 1943-06-29
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Granted: 1948-12-07
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Expires: 1963-06-29
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:28
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/12; G01P15/006; G01P15/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317072A
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US1266570A
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US1651387A
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DE425059C
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US1841607A
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US1832334A
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US2023748A
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US2193910A
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US2203897A
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US2233844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |