Patent US3526406A successfully refreshed from Google Patents.
US3526406A
Expired / Lapsed
US
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Tape roll handling apparatus and roll therefor
Assignee: American Videonetics Corp
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Filing: 1967-11-03
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Granted: 1970-09-01
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 James W F Blackie
- 👤 Chester W Newell
- 👤 Charles A Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:48
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/008; G11B15/00; G11B15/675; G11B15/68; G11B15/6895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2345869A
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US2964593A
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US3081668A
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US3034739A
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US3134550A
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US3199802A
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US3217996A
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US3305186A
Cited
US3370803A
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US3370804A
Cited
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 |