Patent US2595889A successfully refreshed from Google Patents.
US2595889A
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US
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Perforated-tape control of highspeed tabulating-card punches
Assignee: International Business Machines Corp
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Filing: 1945-10-24
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Granted: 1952-05-06
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Expires: 1965-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ryffel Albert
- 👤 Rehsteiner Carl Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:11
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/246; G; G06; G06K; G06K17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2285289A
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US2340801A
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US2436126A
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US2377801A
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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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |