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US2537564A
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US
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Assignee: Unisys Corp
•
Filing: 1945-05-17
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Granted: 1951-01-09
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Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Carl F Wolters
- 👤 Andersen Niels Yde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:54
CPC Classifications
B; B42; B42F; B42F17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1146466A
Cited
GB217105A
Cited
GB323786A
Cited
US1975566A
Cited
US2042167A
Cited
DE612495C
Cited
US2326241A
Cited
US2435077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |