US2989260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive tape handling system
Assignee: International Business Machines Corp
•
Filing: 1956-10-31
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Granted: 1961-06-20
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Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Hugo A Panissidi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:17
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/56; G11B15/58; B; B21; B21D; B21D28/00; B21D28/002; F; F15; F15B; F15B21/00; F15B21/12; G06; G06K; G06K13/00; G06K13/18; G06K13/26; G06K13/28; G11B15/18; G11B15/38; Y; Y10; Y10S; Y10S60/00; Y10S60/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192778A
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US2596534A
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US1414941A
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US2331218A
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US2380810A
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US2414197A
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US2639103A
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US2654548A
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |