Patent US3306720A successfully refreshed from Google Patents.
US2962200A
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US
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Guiding means for a magnetic tape
Assignee: International Standard Electric Corp
•
Filing: 1954-08-30
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Granted: 1960-11-29
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Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Pouliart Willy Hortens Prosper
- 👤 Michiels Franciscus Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:38
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/38; G06; G06K; G06K13/00; G06K13/18; G06K13/26; G06K13/28; G11B15/60; B; B65; B65H; B65H2408/00; B65H2408/20; B65H2408/21; B65H2408/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1296476A
Cited
US1853966A
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US1883987A
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US1847915A
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US2037806A
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US2542506A
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US2529184A
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US2678173A
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US2612566A
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US2778634A
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FR1085854A
Cited
US2808259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |