US2620404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving and scanning mechanism for magnetic tape handling equipment
Assignee: Int Electronics Co
•
Filing: 1949-07-07
•
Granted: 1952-12-02
•
Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 Chester C Pond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:54
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/54; G11B5/55; G11B5/5504; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/44; G11B15/444; G11B15/60; G11B15/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2349018A
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US2408320A
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US2468198A
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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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |