Patent US3526562A successfully refreshed from Google Patents.
US3526562A
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US
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Magnetically actuatable business machine card,method of making the same and apparatus therefor
Assignee: Individual
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Filing: 1965-10-22
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Granted: 1970-09-01
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Dahl Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/22; B32B38/00; B32B38/18; B32B38/1808; B32B38/1816; G; G06; G06K; G06K19/00; G06K19/02; G06K19/022; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |