US2706141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card index cabinet
Assignee: Unisys Corp
•
Filing: 1950-08-03
•
Granted: 1955-04-12
•
Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth G Layer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:36
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR589605A
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US2479735A
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US2333097A
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US2553003A
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US2526823A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |