US2443595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deviation correcting means for magnetic devices
Assignee: Unisys Corp
•
Filing: 1943-01-22
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Granted: 1948-06-22
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Expires: 1963-01-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Braddon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:24
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/36; G01C17/00; G01C17/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US41839A
Cited
GB189613752A
Cited
DE356844C
Cited
US1596639A
Cited
US1892826A
Cited
US2053154A
Cited
DE666594C
Cited
US2300404A
Cited
US2324718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |