Patent US2079429A successfully refreshed from Google Patents.
US2079429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for interpreting punched cards
Assignee: International Business Machines Corp
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Filing: 1930-12-05
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Granted: 1937-05-04
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Expires: 1950-12-05
Abstract
No abstract record available.
Inventors
- 👤 Tauschek Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/46; G06F7/462; G06F7/463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-03 | 1940-11-02 | 1941-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-03 | 1944-11-02 | 1945-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-03 | 1948-11-02 | 1949-05-04 | $7700.00 | Window Closed / Lapsed |