US2941666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic selecting device
Assignee: Unisys Corp
•
Filing: 1955-08-12
•
Granted: 1960-06-21
•
Expires: 1975-08-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:44
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254931A
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US2261349A
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US2454628A
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US2587686A
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US2729214A
Cited
US2614169A
Cited
US2784851A
Cited
US2770796A
Cited
US2857059A
Cited
US2948107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |