US2454628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punched card sorting machine
Assignee: CONTROL INSTR CO Inc
•
Filing: 1944-11-25
•
Granted: 1948-11-23
•
Expires: 1964-11-25
Abstract
No abstract record available.
Inventors
- 👤 Karl J Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:00
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1298971A
Cited
US1315370A
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US1502993A
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DE375189C
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US1432345A
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US1449078A
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US1741992A
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US1716677A
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US1767207A
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US1717858A
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US1943940A
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US2076700A
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US2059265A
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US2165251A
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US2230680A
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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) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |