US2859868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reel package
Assignee: International Business Machines Corp
•
Filing: 1956-05-23
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Granted: 1958-11-11
•
Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Charles J Jaworski
- 👤 Due James J La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/027; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132766A
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FR632156A
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US1713129A
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US1843235A
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US1850074A
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US2030465A
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US2201305A
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US2148339A
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US2631725A
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US2721041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |